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lukranit [14]
3 years ago
12

In trapezoid HJLK, M and N are midpoints of the legs. Find KL. Help me please

Mathematics
1 answer:
Ira Lisetskai [31]3 years ago
4 0
MN is the  mid-line of a trapezoid HJLK.<span>
The length of the mid-line of a trapezoid is half of the sum of the lengths of its bases </span>⇒
<span>
(KL + HJ)/2 = MN
(KL + 45)/2 = 28
KL + 45 = 28 * 2
KL + 45 = 56
KL = 56 - 45
KL = 11

</span><span>
</span>
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alekssr [168]
I think it is an apex
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Jacob multiplied 30 by 0.25 and got 7.5. Zane said that it was wrong because when you multiply two numbers the product is always
stich3 [128]

Answer:

Jacob, when you multiply a whole number by a decimal you get a number smaller than the whole number you started off with.

Step-by-step explanation:


7 0
3 years ago
What simple interest rate would allow $6000 to grow to an amount of $14550 in 10 years?
Harman [31]

Answer:

\boxed{ \bold{ \huge{  \boxed{ \sf{ \: 14.25 \: \% \: }}}}}

Step-by-step explanation:

Given,

Principal ( P ) = $ 6000

Amount ( A ) = $ 14550

Time ( T ) = 10 years

Rate ( R ) = ?

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The sum of principal and interest is called an amount.

From the definition,

\boxed{ \sf{Amount =  \: Principal + Interest}}

plug the values

⇒\sf{14550 = 6000 + Interest}

Swap the sides of the equation

⇒\sf{6000 + Interest = 14550}

Move 6000 to right hand side and change its sign

⇒\sf{Interest = 14550 - 6000}

Subtract 6000 from 14550

⇒\sf{Interest = \: 8550 \: }

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{ \boxed{ \sf{Rate =  \frac{Interest \times 100}{Principal \times Time}}}}

plug the values

⇒\sf{ Rate = \frac{8550  \times 100}{6000 \times 10} }

Calculate

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Hope I helped!

Best regards!!

8 0
3 years ago
When y = 35,x = 2.5. If the value of y varies directly with x what is the value of y when the value of xis 3.25
leonid [27]

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Step-by-step explanation:

To solve this problem, start with the base form of direct variation.

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35 = k(2.5)

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Now to find y, when x = 3.25, simply put 3.25 into the equation.

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8 0
3 years ago
What is the parameter of a rectangle with width 10 inches and length 13 inches
svetoff [14.1K]
The parameter of a rectangle can be alculated using the following rule:
parameter = 2(length + width)

from the givens:
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so, just substitute with the givens in the equation to calculate the parameter:
parameter = 2(10+13) = 2*23 = 46 inches
8 0
3 years ago
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