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raketka [301]
3 years ago
5

- The local museum requires 2 adult

Mathematics
2 answers:
tamaranim1 [39]3 years ago
6 0

Answer:

For 90 students, 12 adult chaperones are required.

Step-by-step explanation:

90 (students) divided by 15 gives us a proportion to multiple the amount of adults by.

90/15 = 6

Since there are 6 times as many students as the question provided, we will multiply the amount of adults in the question by 6.

2 x 6 = 12

KatRina [158]3 years ago
4 0
12. 90/15 is 6. 6x2 is 12.
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2x-8y=16 solve for x
Darya [45]

Answer:

x=8+4y

Step-by-step explanation:

Add 8y to both sides:

2x=16+8y

Divide both sides by 2:

x=8+4y

6 0
4 years ago
Need ASAP! <br><br> six less than twice a number is half the number plus twelve
kolezko [41]
I’m sorry but i don’t know what ur saying
5 0
3 years ago
(3b2 + 4b) + (b2+ 7b)=?<br><br>A.4b^2 + 11b<br>B.4b + 11b^2<br>C.4b^2 + 10b<br>D.3b^2 + 11b​
Marta_Voda [28]

Answer:

The correct answer is C. 4b^2+10b

8 0
4 years ago
The length is not provided and need to find the shaded area
earnstyle [38]

Answer:

The Area of Shaded region is 98 square inch

Step-by-step explanation:

In this given figure

length = 8 in = 3 + x

breadth = 4 + y

In a Rectangle

a shape with four straight sides and four angles of 90 degrees (right angles). Two of the sides are longer than the other two

Now, let the smaller side be x and bigger side be y

Here, we get the equation

x + 3 = 8

x + 3 - 3 = 8 - 3

x = 5

Here, we get the value of x is 5

Now, By Pythagoras Theorem

x² + y² = 13²

(5)² + y² = 169 (x = 5)

25 + y² = 169

y² + 25 - 25 = 169 - 25

y² = 144

√y² = √144

y = 12

So, breadth = 4 + 12 = 16 inch

Now, For the area of rectangle

A = l × b

A = 8 × 16 in

A = 128 square inch

In a given triangle,

b = y = 12 in

h = x = 5 in

Now, For the area of Triangle

<em>A = ½ × b × </em><em>h</em>

A = ½ × 12 × 5 in

A = 6 × 5 in

A = 30 Square inch

So, For the shaded area,

= Area of Rectangle - Area of triangle

= 128 - 30

= 98 square inch

Thus, The Area of Shaded region is 98 square inch

<u>-</u><u>TheUnknownScientist</u>

3 0
3 years ago
Chris has 4.05 pounds of cat food. He uses 0.27 pound of cat food to feed one cat. How many cats can Chris feed with the cat foo
Tanya [424]
0.27x=4.05
divide both sides by 0.27
x=15 cats
7 0
3 years ago
Read 2 more answers
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