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4 years ago

13

Please Answer ASAP Math Question

1 answer:

MArishka [77]4 years ago

4 0

If you were to factor you would do what my teacher likes to call reverse foil so it would look like this (x-9)(x+4) so what you do is you brainsrorm to see what multiplies what to get that and 9*4=36 so that is how you factor -36 to find the -9 Hope this helps if I'm correct if not I will try to find the answer

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A building is 24 feet tall and 40 feet wide. If a scale model of this building is 10 inches wide, how tall is the model?

kow [346]

Answer:

The model is 6 inches tall.

Step-by-step explanation:

Write and solve an equation of ratios:

10 in. x

--------- = ----------

40 ft. 24 ft.

Cross-multiplication yields:

240 in = 40x, so x = 6 inches.

The model is 6 inches tall.

4 0

3 years ago

What is the value of the variable x?

tatiyna

Answer:

60

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

Given AG bisects CD, IJ bisects CE, and BH bisects ED. Prove KE = FD.

OverLord2011 [107]

When a line is bisected, the line is divided into equal halves.

See below for the proof of $\mathbf{KE \cong FD}$

The given parameters are:

<em>AC bisects CD</em>
<em>IJ bisects CE</em>
<em>BH bisects ED</em>

<em />

By definition of segment bisection, we have:

$\mathbf{CK \cong KE}$
$\mathbf{EF \cong FD}$
$\mathbf{CE \cong ED}$

By definition of congruent segments, the above congruence equations become:

$\mathbf{CK = KE}$
$\mathbf{EF = FD}$
$\mathbf{CE = ED}$

By segment addition postulate, we have:

$\mathbf{CE = CK + KE}$
$\mathbf{ED = EF + FD}$

Substitute $\mathbf{ED = EF + FD}$ in $\mathbf{CE = ED}$

$\mathbf{CK + KE = EF + FD}$

Substitute $\mathbf{CK = KE}$ and $\mathbf{EF = FD}$

$\mathbf{KE + KE = FD + FD}$

Simplify

$\mathbf{2KE = 2FD}$

Apply division property of equality

$\mathbf{KE = FD}$

By definition of congruent segments

$\mathbf{KE \cong FD}$

Read more about proofs of congruent segments at:

brainly.com/question/11494126

6 0

3 years ago

12 divided by -5/8<br> please help me:)

devlian [24]

-19.2

12/(-5/8) means 12*(-8/5)

12*8=96
96/5=19.2

don’t forget the negative sign

so

-19.2

5 0

3 years ago

A long strand of spaghetti is folded once. If this is cut 20 times, how many pieces of spaghetti will there be?

ValentinkaMS [17]

Answer:

40 pieces.

Step-by-step explanation:

folding it will give us 2 strands instead of 1, which is double. we would then multiply 20 by 2 which gives us 40. hope I helped!

6 0

3 years ago