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natima [27]
3 years ago
7

The ratio of the number of boys to the number of girls at school is 4:5. a. What fraction of the students are boys? b. If there

are 120 boys, how many students are there altogether? *
Mathematics
2 answers:
My name is Ann [436]3 years ago
6 0

Answer:

270

Step-by-step explanation:

120÷4= 30

30×5=150

150+120=270

Sergio [31]3 years ago
4 0

Answer: a. 4/9

b. 270 students

Step-by-step explanation:

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One and one half is equal to how many tenths​
Kazeer [188]

Answer:

15

Step-by-step explanation:

so when we make 1 1/2 into an improper fraction it is 3/2 so what do they have in common, that is 15/10 so its 15

8 0
2 years ago
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A chord of a circular clock is 48 inches long, and its midpoint is 7 inches from the center of the circle. What is the radius of
Sphinxa [80]

ANSWER

The radius is 25 inches

EXPLANATION

From the diagram, the radius of the circle is AC.

From the Pythagoras Theorem,

{r}^{2}  =  {7}^{2}  +  {24}^{2}

r^{2}  =  49 +  576

Simplify

r^{2}  = 625

Take positive square root,

r =  \sqrt{625}

r = 25

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8 0
3 years ago
Maddie's backyard is 25 meters by 25 meters. She wants to put a square cement patio in her backyard. She does not want the patio
luda_lava [24]

The inequality that represents the possible length of the patio is √A < 625.

<h3 /><h3>How to represent an inequality?</h3>

Maddie's backyard is 25 meters by 25 meters.

Therefore,

area of the backyard = 25 × 25  = 625 m²

Hence,

She wants to put a square cement patio in her backyard.

A = area of the patio, in square meters.

Hence,

area of the backyard = 625 m²

Therefore, the inequality that represents the possible length of the patio is √A < 625.

learn more on inequality here: brainly.com/question/23919881

#SPJ1

3 0
1 year ago
I suck at math lololol
Dima020 [189]

2 and 4

Step-by-step explanation:

This image shows an example on corresponding angles.

4 0
2 years ago
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Which of the following are whole numbers ?
goldfiish [28.3K]

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-1 and 3 should be right

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