The ratio of boys to girls in a class is 5:7 there are 46 students how many students are boys

Answers

Answer 1
there should be 15 boys

Related Questions

Solve for x: x + 1 = 6*

Answers

Answer: 5

Step-by-step explanation: 6-1=5

Answer:

x=5

Step-by-step explanation:

To get the x alone, you would have to get the one away. To do that, you will have to get it to 0, by subtracting 1 from 6, making it five. Now x is alone like this: x=5

There's your answer

Proportional or Non-Proportional?
d = 21

Answers

Answe

Nope

Step-by-step explanation:

Answer:

yup thx

Step-by-step explanation:

Simplify the expression.

50 + 3(−10) + 2(−20)

Answers

Overall it’s “40”...

Answer:

I got "0"

start with the parentheses- multiply

50 + (-30) + (-20)

add it together

50 + (-50) = 0

-4n=100 what is the value for n

Answers

the answer is n = -25
1. to get n by itself, divide both sides by -4.
2. on the left hand side, it cancels out so n is by itself. on the right 100/-4 = -25.
3. in conclusion, you get n=-25.

The height of two plants is recorded after 1, 2, and 3 weeks
as shown in the graph at the jright. Which plants' growth
represents a proportional relationship between time and height?
Explain. (Example 3)

Answers

Answer:

The growth rate of Plant A is not proportional

because the line is not straight.

The growth rate of Plant B is proportional

because when the data is graphed on the

coordinate plane, the line formed is a straight

line that passes through the origin.

Step-by-step explanation:

i hope this helps if not im am sorry

Answer:

Plant B because the line is straight and it starts at (0,0)

Step-by-step explanation:


If BFD and AFC are right angles and
m CFD = 72°, what is the value of x?
18
36
108
72

Answers

Answer:

72

Step-by-step explanation:

If BFD is a right angle and it gives you CFD that means that you do 90 - 72 to find CFB cause it 90 all togther

CFB = 18 deg

now it also tells us CFA is a 90 deg angle so we do the same thing

90 - 18 = 72

A nail has a circular head with a diameter of 0.40 centimeters.
What is the area of the nail's head, rounded to the nearest hundredth of a square centimeter?

Answers

π r^2 is the formula for area of a circle. So take half the diameter, which is 0.20, and plug that in for r. Your answer will be 0.4π or ≈1.2566

what is the expression for the probability when the disease D is present but the test says its not? P = Event that test is positive, D = Event disease is present

Answers

Answer:

[tex]P(D\ and\ P^c)[/tex] or [tex]P(D\ and\ P')[/tex]

Step-by-step explanation:

Given

P = Test is positive

D = Disease is present

Required

Write an expression when disease is present but test says that the disease is not present

The above statement can be split to two

Disease is Present          &        Test is not positive

The first statement:

Disease is Present  means D

The second statement

Test is not positive means not P

Mathematically;

not P means P' or [tex]P^c[/tex]

So, the required expression is: [tex]P(D\ and\ P^c)[/tex] or [tex]P(D\ and\ P')[/tex]

Please help me with this! :) and show me how! <3

Answers

Answer:

y=10 when x=7

Step-by-step explanation:

y=2x-4

y=10

Substitute y with "10": 10=2x-4

Add 4 on both sides: 14=2x

x=7

Answer:

substitute 10 for y in the equation y=2x-4

10=2x-4

2x=10+4

2x=6

divide both side by 2

x=3


I need help asap plz less than 10 minutes

Answers

Answer:

Im thinking maybe its 6 hours of sleep

Step-by-step explanation:

Well if you search up the amount a regular student needs to sleep so 7 hrs could get you 100 on the test so yeah 6.

What angle relationship describes ∠VQR and ∠QRW?

segments UV and WZ are parallel with line ST intersecting both at points Q and R respectively

A) Alternate interior angles
B) Alternate exterior angles
C) Corresponding angles
D) Vertical angles

Answers

Answer:

its A on the quiz (alternate interior)

Step-by-step explanation:

The required angle relationship describes ∠VQR and ∠QRW is both angles are alternate interior angles. Option A is correct.

Given that,
Segments UV and WZ are parallel with line ST intersecting both at points Q and R respectively. What angle relationship describes ∠VQR and ∠QRW is to be determined.

What are parallel lines?

Parallel lines are defined as the pair of line that has the distance between the point corresponding to the line are equal and this line met at infinity.

What is angle?

The angle can be defined as the one line inclined over other line.

Since it is to describe that what is the relationship between  ∠VQR and ∠QRW.
Here, both angles are interior and alternate in the figure so both angles have a relationship to the alternate interior angle by property of parallel lines.


Thus, the required angle relationship describes ∠VQR and ∠QRW is both angles are alternate interior angles. Option A is correct.

Learn more about Angles here:
https://brainly.com/question/13954458

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Help me I know it easy it just to give points I already know the answer but still answer it correctly and you will get brainliest.

Answers

Answer:

21-25 actors

Step-by-step explanation:

What is the value of x in the solution to this system of equations? 3x = 2y + 14
y = -6x + 18​

Answers

Use substitution
3x = 2(-6x + 18) + 14
3x = -12x + 36 + 14
3x = -12x + 50
15x = 50, x = 50/15 = 10/3
Solution: x = 10/3

If A=-3 what is a^2 and 3a^2

Answers

Answer:

-6, 9, and 81

Step-by-step explanation:

Answer:

Step-by-step explanation:

A) -6

B)  -9

C) -27

Use what you know about angle relationships to determine the measure of angles A, B and C.

Answers

A= 72°
B= 18°
C= 100°
Hope this helps and good luckkk :)

Given: WX bisects ZXY, ŽX =YX
Prove:ZXV=YXV

Answers

2. angle ZXV and angle YXV are congruent

3. given

4. XV is congruent to XV

5. SAS

The required fill-in-the-blank below as:

1.) ZW ⊥ XW, ZW ⊥ WY, ∠ ZXV ≅ ∠ YXV | Given

2.) XV≅XV | Reflexive Property

3). SAS Triangle Congruence Property

What are congruent triangles?

Two triangles are said to be congruent if their corresponding sides and angles are equal.

The given in question as:

WX bisects ZXY,

ŽX =YX

To prove:

△ZXV ≅ △YXV

1.) ZW ⊥ XW, ZW ⊥ WY, ∠ ZXV ≅ ∠ YXV | Given

2.) XV≅XV | Reflexive Property

According to SAS, two triangles are congruent if the two sides and the included angle of one triangle are equal to the corresponding sides and the included angle of the other triangle.

3). SAS Triangle Congruence Property

Hence, △ZXV ≅ △YXV

Thus, the required fill-in-the-blank above is in the solution.

Learn more about congruent triangles here:

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A satellite flies 50048 miles in 7.36 hours. How many miles has it flown in 11.93hours?

Answers

Answer:

[tex]81124\ miles[/tex]

Step-by-step explanation:

[tex]We\ are\ given,\\No.\ of\ miles\ a\ satelite\ flies\ in\ 7.36\ hours=50048\ miles\\To\ find:\\The\ no.\ of\ miles\ it\ has\ flown\ in\ 11.93\\Now,\\We\ can\ solve\ this\ by\ constructing\ a\ proportion,\\A\ proportion\ is\ simply\ represented\ in\ this\ format:\\\frac{x_1}{y_1}=\frac{x_2}{y_2}\\Here,\\x\ represents\ Miles\ while\ y\ represents\ Hours.\\Hence,\\x_1=50048\ miles\\y_1=7.36\ Hours\\x_2=x_2\\y_2=11.93\ Hours\\Hence,\ by\ setting\ up\ a\ proportion\ we\ get,\\[/tex]

[tex]\frac{50048}{7.36}=\frac{x_2}{11.93}\\Now,\ by\ solving\ the\ equation,\\6800*11.93=x_2\\x_2=81124\ miles[/tex]

Jorge scored 18 out of 45 free throws. What decimal
is equivalent to the fraction of free throws Jorge made?

Answers

Answer:

0.4 (not rounded)

Step-by-step explanation

You can first reduce this fraction by dividing both the numerator and denominator by the Greatest Common Factor of 18 and 45 using

GCF(18,45) = 9

18÷945÷9=25

We know that

25

is the same as

2÷5

Then using

Long Division for 2 divided by 5

gives us

=0.4

two people walk in a store then fives more people walk in the srores two walk out how many people are in the store?

Answers

Answer:

5....I guess...is it a brain teaser?

Five people are in the store

write the smallest possible four-digit number using the digits 5 9 3 and 8. PLEASE HELP ASAP!!! WILL MARK BRAINLIEST!!!!

Answers

Here’s your answer

3589

Answer:

3589

Step-by-step explanation:

When trying to express the smallest number with these four digits, your answer is 3589.

Feel free to give brainliest.

Have an outstanding day!

A figure is shown.
What is the measure of ZA, in degrees?

Answers

Answer:

THE answer to this is 58.9 as it is the result of 180-121.1

Please, I would appreciate it!

Also, if you can try to check our educational channel called Evimero Academy

Answer:

A = 58.9 degrees

Step-by-step explanation:

straight line angles add up to 180 degrees

121.1 + A = 180

A = 180 - 121.1

A = 58.9 degrees

look at my image I need to find y​

Answers

your answers would be -5 , -4

What is the area of a 16 x 9 foot rectangle?

Answers

Answer:

144 square foot

Step-by-step explanation:

Area of rectangle: Length × breadth

Area of rectangle = 16 × 9

                             = 144 square foot

Please help fast for 10 points and bro list!! And it’s multiple choice!!! ANSWER ONLY IF YOU KNOW!!

Answers

C. Good luck with your test

Answer:

C. x - 5y - 30 = 0

Step-by-step explanation:

Y = x/5 - 30

y + 30 = x/5

you multiply both sides by 5

5y + 30 = x

you subtract x from both sides

- x + 5y + 30 = 0

which is the same as

x - 5y - 30 = 0

Ein Würfel hat eine Oberfläche von 138 cm². Berechne die Kantenlänge a des Würfels in Millimeter.


Ich möchte Schritt für Schritt die Übung lösen, nicht nur das Ergebnis.

Answers

A cube has a surface of 138 cm ^ calculate the edge length of a design cube in multimeters

I want to solve the exercise step by step, not just the result.

sorry I don't know the answer but if you know here is the translation

Answer:

47.96 mm.

Step-by-step explanation:

Die Oberflache von einem Gesicht

= 138 / 6 = 23 cm^2.

Die Kantenlänge des Würfels

= √23

= 4.796 cm

= 47.96 mm.

how do I solve -12+1/2x=-6​

Answers

Answer:

x = 12

Step-by-step explanation:

First, eliminate the fractional coefficient 1/2, by multiplying all three terms by 2:

-24 + x = -12

Adding 24 to both sides isolates x:  x = -12 + 24, or x = 12

please help me I’m timed

Answers

Answer:

-6

Step-by-step explanation:

Peyton and Eli are playing, “Guess my number!” Peyton says, “Guess my number. If you add my number to itself and then add 4 more, you get the same result as if you subtract 3 from my number and then multiply the difference by 2.” Eli thought about this for a minute and then said, “That’s impossible!” Is Eli correct? Explain

Answers

have a nice day i need points but i dont know the answer

Answer: It's impossible

Step-by-step explanation: We can set up an equation to represent this: 2x+4=2(x-3). Trying to solve this equation yields 0=-10, which shows that the equation will be false no matter what value of x we pick.

How do I write this as a problem:
Three times a number less than 18 is no more than 15

Answers

I believe the answer is 18 - 3x ≤ 15,

What is the distance between the points (-2, 4) and (7, -5)?

Answers

i believe it would be (-9,9) but i’m not sure. i got this answer because
-2-7 = -9
4(-5) = 9
hope this helps! feel free to mark brainliest:)
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