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PtichkaEL [24]
2 years ago
8

How do I set up proportion’s and also cross multiply

Mathematics
1 answer:
xenn [34]2 years ago
6 0

Answer:

u transpose all the constans to one side of the '=' sign and solve

Step-by-step explanation:

for example,

in  the first question

the sides of the triangles are proportional then,

25/30 = x/ 10

=> (25x10)/30 = x

=> 250/30 = x

=> 8.33

im pretty sure like this u can do the rest, ;)

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The scatter plot below shows the number of pizzas sold during weeks when different numbers of coupons were issued. The equation
levacccp [35]

Answer:

94 pizzas will be sold

Step-by-step explanation:

We have to use the equation and replace 15 with x.

x=15

y=3.4x + 43

y=3.4(15) + 43

y=51 + 43

y=94

(15,94)

There will be 94 pizzas sold nightly if 15 coupons were issued.

6 0
2 years ago
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Sam ran 3 1/2 miles in 25 minutes. If he continues running at this pace how far will he run in 1 hour
zheka24 [161]

Answer: 8.4 or 8 2/5

Step-by-step explanation:

3 1/2 for 25 minutes and 0.14 miles per minute so 0.14 * 60 since there are 60 minutews in a hour and you get ur answer.

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2 years ago
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In trapezoid EFGH, EF ≅ HG. What is the measure of the angle between Elm Street and Pine Avenue?
m_a_m_a [10]
Angle E is 72 degrees
6 0
3 years ago
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B=3/a+2 make a the subject​
katen-ka-za [31]

Answer:

Solve for a

A= 3/B - 2

Step-by-step explanation:

5 0
2 years ago
I need help for brainliest
devlian [24]

Answer:

<h2><u><em>46 cm²</em></u></h2>

Step-by-step explanation

the figure is composed of a square with an isosceles right triangle inside, we find the area of ​​the square and we take away the area of ​​the triangle.

Triangle area = lxl, right-angled triangle area side by side divided by two.

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8 * 8 = 64cm²

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6 * 6 : 2 = 18 cm²

Area of the shaded region

64 - 18 = 46 cm²

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2 years ago
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