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Lesechka [4]
3 years ago
15

The area of the triangle below is 8.91 square inches. What is the length of the base?

Mathematics
2 answers:
Studentka2010 [4]3 years ago
6 0

Answer:

8.1 inches

Step-by-step explanation:

Area of a triangle = ½ × base × height = Area

Rearranged =

\frac{area}{ \frac{1}{2}  \times height}

Base is the length by the way.

\frac{8.91}{ \frac{1}{2} \times 2.2 }

=8.1 inches

Paladinen [302]3 years ago
5 0

Answer:

Then answer is 8.1 inches ;)

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PLZ HELP 10 PTS!!
solniwko [45]

Answer:

Jill's best friend jumped 8/21 feet further than Jill.

Step-by-step explanation:

we have that

Jill jumped 6 1/3 feet

Jill best friend jumped 6 5/7 feet

To find out how much farther did Jill's best friend jumped, subtract the length that Jill jumped from the length that Jill best friend jumped

6\frac{5}{7}-6\frac{1}{3}

but first convert mixed number to improper fraction

6\frac{5}{7}\ ft=\frac{6*7+5}{7}=\frac{47}{7}\ ft

6\frac{1}{3}\ ft=\frac{6*3+1}{3}=\frac{19}{3}\ ft

substitute the values

\frac{47}{7}-\frac{19}{3}=\frac{47*3-7*19}{21}=\frac{8}{21}\ ft

therefore

Jill's best friend jumped 8/21 feet further than Jill.

7 0
3 years ago
Read 2 more answers
Chan receives a bonus from his job. He pays 30% in taxes, gives 30% to charity, and uses another 15% to pay off an old debt. He
charle [14.2K]

Answer:

Chan's Bonus amount was $2400.

Step-by-step explanation:

Let the Total amount receive from bonus be 'x'.

Given:

Chan pays 30% in taxes;

So we can say;

Amount paid in taxes will be equal to 30% of total amount receive

framing in equation form we get;

Amount paid in taxes = \frac{30}{100}x=0.3x = 0.3x

Now Given:

Chan pays 30% in Charity;

So we can say;

Amount paid in charity will be equal to 30% of total amount receive.

framing in equation form we get;

Amount paid in Charity = \frac{30}{100}x=0.3x

Also Given:

Chan pays 30% in old debts;

So we can say;

Amount paid in Old debts will be equal  30% of total amount receive

framing in equation form we get;

Amount paid in Old debts = \frac{15}{100}x=0.15x

Money left with him = $600

Now we can say that Total Amount Receive in bonus will be equal to Amount paid in taxes plus Amount paid in charity plus Amount paid in old debts plus amount left.

framing in equation form we get;

x=0.3x+0.3x+0.15x+600\\\\x= 0.75x +600\\\\x-0.75x=600\\\\0.25x=600\\\\x=\frac{600}{0.25} = \$2400

Hence Chan's Bonus amount was $2400.

7 0
3 years ago
4x 2 −28x+40 factored completely plzzzzz help mee
blagie [28]

Answer: 4( x - 5)( x - 2)

Step-by-step explanation:

4x^2 -28x + 40

4 ( x - 5)(x - 2)

4 0
3 years ago
Read 2 more answers
Please help me!!!!
stellarik [79]
Hello!

For #1, the LCD is (A) 12 since both numbers go into 12 as their minimal number.

For #2, the missing number is (B) 4 because 1/4*4/4=4/16.

For #3, the answer is (B) 3 because you have to crossmultiply 20n(4*15) to find the answer.

for #4, the correct answer is (A) 4/5 is less than 5/6 because when converted into fractions with a common denominator, 24/30 is less than 25/30.

For #5, the LCD is 36; therefore, the answer is (A) because the fractions in the answer are properly converted to their new denominator.

I really hope I helped!

7 0
3 years ago
Read 2 more answers
A line that includes the points (6, 8) and<br> (f, -7) has a slope of 5. What is the value<br> of f?
erma4kov [3.2K]

Answer:

f = 3

Step-by-step explanation:

Slope m = (y2-y1)/(x2-x1)

Using (6,8) and (f,-7) then

m = (-7 - 8)/(f - 6) = 5

- 15 = 5(f - 6)

-15 = 5f - 30

5f = 30 - 15

5f = 15

f = 3

3 0
2 years ago
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