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3 years ago

Anyone who answers all these questions I will give them an expert answer

Mathematics

2 answers:

8090 [49]3 years ago

4 0

Answer:

area is 25 squared

Step-by-step explanation:

ivanzaharov [21]3 years ago

4 0

Answer:

25cm2

Step-by-step explanation:

Perimeter of triangle = a + a + a = 30cm

So, a = 10cm

Perimeter of rectangle = 2(a + b) = 30cm

A + b = 30/2 = 15cm

So, b = 15 - 10 = 5cm

Area of square = b × b

Area = 5 × 5 = 25cm2

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Melissa used 4 cups of sugar to bake 54 cookies. If she’s only used 1 cup of sugar, what would be an equivalent ratio of cups to

daser333 [38]

Answer:

$\frac{2}{27}$

Step-by-step explanation:

We have given that melissa used 4 cups of sugar to bake 54 cookies.

That means 1 cup of sugar will be used to bake $\frac{54}{4}=\frac{27}{2}$ by unitary method

We have to find the ratio of cups to the cookies

We are using 1 cup of sugar

And cookies will be $\frac{27}{2}$

$\text{equivalent ratio}=\frac{1}{\frac{27}{2}}=\frac{2}{27}$

3 0

3 years ago

Arrange the digits 1-9 in the 9 boxes to make three equivalent fractions,all equal to 1/2

ElenaW [278]

I'm confused because there are no boxes, but maybe 2/4 3/6 5/10

4 0

3 years ago

Solve the two-step equation. − 2 3 x – 21 4 = 27 4

svetoff [14.1K]

Answer:

Step-by-step explanation:

I'm going to assume that the problem is -23x -214 = 274

And in that case...

1. First isolate the x-value by adding 214 to both sides of the equation:

-23x = 488

2. Then, divide both sides by -23 to truly get x alone:

x = $-\frac{488}{23}$ or -21.22

7 0

3 years ago

Read 2 more answers

HELP IS OVERDUED AND I NEED THE CORRECT ANSWER AND WORK BY TODAY BEFORE SHE COUNTS IT LATE!!!!! ALMOST 3:20am!!!!! The answer wr

Nuetrik [128]

Answer:

978 in^2

Step-by-step explanation:

the area of the rectangle:

24in X 30in = 720 in^2

the area of the two similar triangles:

12 X 9 / 2 + 12 X 9 / 2 = 108 in^2

the area of the last triangle:

20 in X 15 in /2 = 150in^2

the total area is the sum of the areas:

720in^2 + 108in^2 + 150in^2 = 978in^2.

7 0

3 years ago

a school has 450 learners.the ratio of boys to the number of girls is 7:8 determine the number of boys and girls in the school

Tom [10]

Answer:

Boys : 210

girls: 240

Step-by-step explanation:

7+8=15

450/15=30

boys: 30*7= 210

girls: 240

to make sure......

210+240=450

6 0

3 years ago