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Elodia [21]
3 years ago
9

Describe how to use special product patterns to find 21^2

Mathematics
1 answer:
Alex777 [14]3 years ago
6 0

Answer:

21 x 21 = 441

Step-by-step explanation:

Whenever there is an exponent that is the many times you multiply the base by itself to.

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Mary tutors english. For each hour that she tutors she earns 40 dollars. Let E be her earnings (in dollars) after tutoring for H
AleksAgata [21]

Answer:

A.) 40(t) = E

B.) 520

Step-by-step explanation:

t is for time, E is the total, H is the hourly rate.

plug in the numbers to get 40(13) = h and solve for H and you get 520

<em>-- Brainliest answer is much appreciated! :)</em>

7 0
2 years ago
What is GE ? <br><br><br> Enter your answer in the box.
harina [27]
Since ZY bisects GE and XY bisects EF, and both ZY and XY both bisect GF, then XY ~ ZE and ZY ~ XE.
Therefore ZE = XY = 5
And GE = 2× ZE (because bisected segments are = and therefore ×2 = long segment).
So GE = 2ZE = 2×5 = 10
6 0
3 years ago
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What equation is graphed in this figure? y = -x + 2 y = -x + 3/2 y = 3/2x + 1 y = -3/2x + 1
Digiron [165]
The answer is:

y = -3/2x + 1
6 0
3 years ago
What is 2p + 5r = q for p
Kamila [148]
Subtract 5r from both sides
2p= q-5r
Divide both sides by 2
p= (q-5r)/2
4 0
3 years ago
Write an equation of the line that has a slope of 9 and y-intercept of -3
12345 [234]

Answer: y = 9x - 3

That's y=mx + b, the usual slope intercept form of a line with slope m and y intercept b.

6 0
2 years ago
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