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bulgar [2K]
3 years ago
5

A triangle has an area of 54 m 2 2 and a height of 9 m. How long is the base of the triangle? Enter your answer in the box.

Mathematics
1 answer:
defon3 years ago
3 0
The base is 12 because 9 x 12 =108 but then you have to divide it by two which get you 54m^2
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Enter the trigonometric equation you would use to solve for x in the following right triangle. Do not solve the equation.
USPshnik [31]

Answer:

x = sine 70° / 8

Step-by-step explanation:

6 0
3 years ago
What is an example of what property ?
vodomira [7]

Answer:

Distributive Property

Step-by-step explanation:

7 equals (3+4).

Therefore, 4*7 equals 4*(3+4).

By distributive property, this will equal (4*3) + (4*4)

8 0
3 years ago
3 folders cost $2.91 dollar sign . Which equation would help determine the cost of 2 folders? WRITE THE LETTER IN THE SPACE BELO
Anna11 [10]

Answer:

$1.94

Step-by-step explanation:

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3 0
2 years ago
Kristen has 64 coins in her bank. She has $9.25 in dimes and quarters. How many dimes and quarters does she have?
Stella [2.4K]
D= # of dimes
q= # of quarters

QUANTITY EQUATION:
d + q= 64

COST EQUATION:
0.10d + 0.25q= $9.25


STEP 1:
multiply quantity equation by -0.10 to be able to eliminate the d term in step 2

(-0.10)(d + q)= (-0.10)(64)
-0.10d - 0.10q= -6.40


STEP 2:
add equation from step 1 to cost equation to eliminate the d term and solve for q

Add
0.10d + 0.25q= $9.25
-0.10d - 0.10q= -6.40

0.15q= 2.85
divide both sides by 0.15

q= 19 quarters


STEP 3:
substitute q value in step 2 into either original equation to find d value

d + q= 64

d + 19= 64
subtract 19 from both sides

d= 45 dimes


CHECK:
0.10d + 0.25q= $9.25
0.10(45) + 0.25(19)= 9.25
4.50 + 4.75= 9.25
9.25= 9.25


ANSWER: There are 45 dimes and 19 quarters.

Hope this helps! :)
7 0
3 years ago
Please help me with this question
WITCHER [35]

Answer:

you can't cheat in an online school math test =_=

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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