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Hoochie [10]
3 years ago
12

Help me pls I need help with this test

Mathematics
1 answer:
ValentinkaMS [17]3 years ago
7 0

Answer:

question 7 is A

Step-by-step explanation:

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The area of a triangle is 861 square centimeters. The length of the base is 82 centimeters. What is the height of the triangle?
aliya0001 [1]
Area of triangle=1/2×base×height
861cm^2=1/2×81×height
861=41× height
height=861/41
Height=21cm
so height of triangle is 21cm
4 0
3 years ago
Lily visits 100 patients in a month and records the age of each patient. The pie chart below shows the number of patients she ha
iogann1982 [59]

Answer:

15

Step-by-step explanation:

5 0
3 years ago
20 years later, the same runner now wants a pierce of 5 miles in 55 minutes. How many minutes will it take him to run 1 mile at
Elan Coil [88]

Answer:

It will take 11 minutes per mile

Step-by-step explanation:

If he wants to run all the miles equally, just divide 55 by 5 to get an equal amount of minutes.

8 0
3 years ago
If f(-3) = -8, then f(x)= 3x +
Nataly_w [17]

Answer:

f(x)= 3x + 1

Step-by-step explanation:

Let's set the unknown variable as b, since it's a linear equation.

Using the point given (-3, -8), we can find b by plugging in the known numbers and solving.

-8 = -3 (3) + b

-8 = -9 + b

b = 1

If you want, you can check it by forming the complete equation and plugging in -3.

f(x)= 3x + 1

f(-3) = -9 + 1

f(-3) = -8 = -8

I hope this helped!

7 0
3 years ago
What is the distance between the endpoints of the beams p and q? 3.2 inches 3.7 inches 4.2 inches 4.4 inches open study?
Ulleksa [173]
.5 inch, .5 inch, and .2 inch
7 0
3 years ago
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