Matilda needs at least $112 to buy a new dress. She has already saved $40. She earns $9 an hour babysitting. How many hours will she need to babysit to buy the dress

Answers

Answer 1

Answer:

Down below. was solved using an equation.

Step-by-step explanation:

[tex]y=40+9x\\y=112\\112=40+9x\\112-40=40+9x-40\\72=9x\\72/9=9x/9\\8=x[/tex]

She would need 8 hours of babysiting


Related Questions

Which of the following is equivalent to the expression below?

Answers

Answer:

A. 7✓6 - 6x✓6

Explanation:

7✓6 - 5x✓6 - x✓6

= 7✓6 - (5x + x)✓6

= 7✓6 - 6x✓6

Dani has only 1/2 of a cup of baking mix. She needs 3/4 of a cup for one batch of muffins. Which solution method shows how much of a batch of muffins Dani can make?

Answers

Answer:

Step-by-step explanation:

Dani has only 1/2 of a cup of baking mix. She needs 3/4 of a cup for one batch of muffins. Which solution method shows how much of a batch of muffins Dani can make?

Eu tenho um ovo de páscoa que custa 24,99 e tem 185 gramas, tbm tenho uma barra de chocolate q custa 5,10 e tem 90 gramad. Qual da mais vantagem para mim?

Answers

Answer:

A maior vantagem para mim é a barra de chocolate.

Step-by-step explanation:

Temos que encontrar o custo de 1 grama de ovo de Páscoa e barra de chocolate

Para o ovo de páscoa

Tenho um ovo de Páscoa que custa 24,99 e tem 185 gramas.

185 gramas = 24,99

1 grama = x

Multiplicação cruzada

185 gramas × x = 1 grama × 24,99

x = 1 grama × 24,99 / 185 gramas

x = 0,1612258065

Aproximadamente = 0,16

O custo de 1 grama de ovo de Páscoa = 0,15

Para a barra de chocolate

Também tenho uma barra de chocolate que custa 5,10 e tem 90 gramas.

90 gramas = 5,10

1 grama = x

Multiplicação cruzada

90 gramas × x = 1 grama × 5,10

x = 1 grama × 5,10 / 90 gramas

x = 0,0566666667

Aproximadamente = 0,06

O custo de 1 grama de barra de chocolate = 0,06

A maior vantagem para mim é a barra de chocolate.

3.
Mrs Rita buys 6 cartons of soya bean milk. Each carton contains 1.251
of soya bean milk. Does Mrs Rita have enough soya bean milk to fill up
20 mugs with a capacity of 320 ml each? Explain.​

Answers

Yes, it is possible to fill all twenty mugs.

3. A system of functions is given. Select
ALL values where f(x) = g(x). Round all
answers to the nearest tenth
f(x) = - x - 2x + 6
g(x) = 2x2 + 5x + 3
a) -2.7
b) -1.8
c) -0.6
d) 0.4
e) 4.1
f) 5.1
g)7.0

Answers

Answer:

Step-by-step explanation:

The easiest way is to graph both functions and see where they intersect.  The intersection is where f(x) = g(x).

f(x) = -x² - 3x + 6

g(x) = 2x² + 5x + 3

The box part of the box plot contains all the values between whích numbers?

25

30

35

40

45

50

between 27 and 36 and between 37 and 40

between 32 and 36

between 32 and 37

between 27 and 32 and between 37 and 40

Answers

Answer:

between 32 and 37

Step-by-step explanation:

that's my answer

Plz help!!!!
Josh conducted an experiment with the bag of
marbles shown below. He will draw a marble out of the bag, record the result, return the marble to the bag, and draw another marble, continuing the process.
If he completes this process 600 times, about how many
times should he expect to draw a striped marble?
A.Approximately 400 times
B.Approximately 250 times
C.Approximately 200 times
D.Approximately 150 times

Answers

Answer:

Step-by-step explanation:

There are 12 marbles in total with three of them being striped. The chance of pulling out a striped marble is 3/12 which can be reduced to 1/4. And 1/4 of 600 is 150.

What is the slope and y intercept of 4x + 2y = 6?
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Answers

Answer:

4x−2y=6 is 21

Step-by-step explanation:

Answer:

Y intercept=3

4(0)+2y=6

y=3

slop=m=-2

y=-2x+3

y=mx+b

M=-2

Step-by-step explanation:

Lollipops cost 12p each, but I get 3 for 30p. What is the maximum number of lollipops I can buy if I have £2 to spend?

Answers

Answer:

18 lolly pops

Step-by-step explanation:

3 = 30p

3x6 = 1.80

= 18

PLEASE HELP ALGEBRA!!

Answers

Answer:

The very first one is decay and the rest are growth

Step-by-step explanation:

Im SO sorry if i got it wrong

I REALLY hope this helped

Best of luck

what’s 741.38 to five decimal places?

Answers

Answer:

Step-by-step explanation:

If you're referring to moving the decimal point five places to the left, your answer should be

.0074138

If you're referring to the right, your answer should be

74138000.

Which number line shows 1.5 graphed?

Answers

Answer:

The third one down

Step-by-step explanation:

π (pi) is an unending decimal. Find the Circumference of the circle below using exact π (pi).

Answers

Step-by-step explanation:

Given radius, r = 5,

Circumference of Circle, C

[tex] = 2\pi \: r \\ = 2\pi(5) \\ = 10\pi \: units[/tex]

Answer:

[tex]10\pi[/tex]

Step-by-step explanation:

As the hint below says:

[tex]C = 2\pi r[/tex]

We also know that

r = 5

So thus:

[tex]C = 2 \pi \cdot 5 = 10\pi[/tex]

Which system of inequalities has this graph as its solution?
y 10
-10
- म
5
10
-10
OA. y < 21 - 3
y OB.y > 2 - 3
y> : +4
Ocy > 21 - 3
y < = + 4

Answers

Is this real math?!

Find the value of x.

Answers

hello i know its wrong but lol. i tried to help.

Which statement about the students' preferences is true? A. More students prefer Model B2 calculators than Model C3 calculators B. More students prefer black Model C3 calculators than white Model B2 calculators. C. More students prefer black calculators than white calculators. D. The fewest students prefer white Model B2 calculators. NEED HELP​

Answers

B. More students prefer black Model C3 calculators than white Model B2 calculators.

       - Ap3x verified

Help on here too plz there’s more in my acc I need help on all

Answers

x=2rad10
y=4rad5

it’s a 45-45-90 triangle so the two legs are the same. the equation for hypotenuse would be h=rad2 x leg. substitute; h=rad2 x 2rad10 = 4rad5

Please help Sammy buys light bulbs in pack of 8 for $20. The shipping cost is $10 regardless of the number of packs bought. Billy has only $120 to spend.

Answers

Answer:

5

Step-by-step explanation:

Mrs. DeRossett's sister goes to the bank to get a loan to purchase a new home. The bank advises that she make sure her mortgage payment does not exceed 30% of her monthly take home pay. If Mrs. DeRossett's sister makes roughly $5,000 per month, then what would be her recommended maximum monthly mortgage?
 

Answers

Answer:

1,500

Step-by-step explanation:

What is the value of -5^6?

Answers

Answer:

-15625

Step-by-step explanation:

Hope this helps!

Answer:

-15,625

Step-by-step explanation:

-5^6 = -(5^6) = -(5 * 5 * 5 * 5 * 5 * 5) = -15,625

What is the biggest difference between exponential functions and other functions you have learned about up to this point?

Answers

Answer:

No no don't click the link

Answer:

The biggest difference between exponential and linear functions is that linear functions change at a constant rate, while exponential functions change at a rate proportional to it's value, or exponent.

Basically, that's also what separates exponential functions from all others. It's the only function that changes at a rate proportional to its exponent.

Step-by-step explanation:

state the equation of a line with slope m=2 and y intercept =3 then graph the line

Answers

Answer:

y=2x+3

The coefficient attached to x is the slope and the number being added to it is the y intercept.

Please see the attached image

Two angles are supplementary. The first angle is 3x degrees. The second angle is (2x + 25) degrees. Determine the measure of each angle.

Answers

Answer: a = 3x

b = 2x+25

180 = a + b

180 = 3x + 2x + 25

180 = 5x + 25

155 = 5x

x = 31

a = 3*31 = 93

b = 2*31 + 25 = 87

Step-by-step explanation: pls mark as branlyest

She spent 1hr 15min washing her car and she spent 1hr 50min cleaning her house, how long did it take

Answers

Answer:

3 hours 5 minutes

Step-by-step explanation:

1 hour + 1 hour = 2hrs

15 minutes + 50 minutes = 65 minutes

65 minutes to 1 hr = 1 hr 5 minutes

2 hours + 1 hr 5 minutes = 3 hours 5 minutes

Answer:

3 hours and 5 minutes

Step-by-step explanation:

1 hour=60 minutes

1 hour +1 hour =2 hours

50 minutes +15 minutes = 1 hour and 5 minutes

1 hour and 5 minutes +2 hours=

3 hours and 5 minutes

Find all the missing elements
Round to the nearest tenth.

Answers

Answer:

B = 48.7°

C = 61.3°

b = 12

Step-by-step explanation:

Given:

A = 70°

a = 15

c = 14

Required:

B, C, and b

Solution:

✔️Using the law of sines, let's find C:

Sin C/c = Sin A/a

Plug in the values

Sin C/14 = Sin 70/15

Cross multiply

Sin C × 15 = Sin 70 × 14

Divide both sides by 15

Sin C = (Sin 70 × 14)/15

Sin C = 0.8770

C = Sin^{-1}(0.8770)

C = 61.282566° = 61.3° (nearest tenth)

✔️Find B:

B = 180 - (70 + 61.3) (sum of triangle)

B = 48.7°

✔️Find b using the law of sines:

b/sinB = a/sinA

Plug in the values

b/sin 48.7 = 15/sin 70

Cross multiply

b*sin 70 = 15*sin 48.7

Divide both sides by sin 48.7

b = (15*sin 48.7)/sin 70

b = 11.9921789

b = 12.0 (nearest tenth)


What is the area of the triangle in square yards?
6 yd.
15 3/4 yd.

Answers

Answer:

6x15 2/4 yd dividedby 2

Step-by-step explanation:

do the math and u get ur answer

Can someone help me with this. Will Mark brainliest.

Answers

answer: (0,-5)

explanation: using midpoint formula

A girl is putting jars of jam into boxes.She puts 8 jars into each box,and she has a total of 144 jars.She wants to know how many boxes she needs how much boxes does she need

Answers

Answer:

18

Step-by-step explanation:

she needs 18 boxes divide 144 by 8 then u get ur answer

1. A psychologist was interested in the effect of Vitamin A deficiency on maze learning rats. A group of nine rats learned a simple maze. Next, these same rats were deprived of Vitamin A for six weeks and were then tested again on their ability to learn a second maze equal in difficulty to the first. The scores represent the number of maze errors made under the two treatment conditions. Perform an appropriate two-tailed test of the significance of the mean difference.

Answers

Answer: hello your question has some missing information attached below is the missing information

we fail to reject H0 hence μ1 = μ2mean difference ( d )  = -2.444

Step-by-step explanation:

H0 : μ1 = μ2

Ha : μ1 ≠ μ2

where : μ1 = mean number of errors made in pretest

            μ2 = mean number of errors made in post test

n = 9

attached below is the detailed solution

In an experiment a bag contains 2 blue marbles and 5 red marbles. Two marbles are drawn from the bag.

Answers

Answer:

5

Step-by-step explanation:

2-5=5. Subscribe Single-3 FF on yt

The sample space of all possible pairs of marbles that can be drawn is:

{BB, BR, RB, RR, RR, RR}

What is sample space?

It is the total number of possible outcomes from a given set.

We have,

The sample space is the set of all possible outcomes of the experiment.

In this case, we are drawing two marbles from a bag containing 2 blue and 5 red marbles, without replacement (meaning that we do not put the first marble back into the bag before drawing the second one).

The sample space consists of all possible pairs of marbles that can be drawn:

{BB, BR, RB, RR, RR, RR}

where BB means both marbles are blue, BR means the first marble is blue and the second is red, RB means the first marble is red and the second is blue, and RR means both marbles are red.

Note that there are two outcomes corresponding to drawing two red marbles because there are 5 red marbles in the bag.

Thus,

The sample space of all possible pairs of marbles that can be drawn is:

{BB, BR, RB, RR, RR, RR}

Learn more about sample space here:

https://brainly.com/question/24273864

#SPJ3

The  complete question:

In an experiment, a bag contains 2 blue marbles and 5 red marbles. Two marbles are drawn from the bag.

List the sample space.

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