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GrogVix [38]
4 years ago
15

Guys please help me it’s geometry and I really don’t know how to do these

Mathematics
1 answer:
valentinak56 [21]4 years ago
5 0

m is the midpoint of AB

A——4x-1———M——3x+3—-B

Find the values of

X=

AM=

MB=

AB=

Since this is like a line, we know it totals up to 180°.

A + (4x-1) + M + (3x+3) + B = 180

Simplify the two values with "x" in them

(7x+2) + A + M + B = 180

First, let's find x.

7x = 178-A-M-B

x = \frac{178-A-M-B}{7}

Next, let's find AM.

A + M + B = 178-7x

A+M = 178-7x-B

A = (178-7x-B) - M \\ and \\M = (178-7x-B)-A

multiply them together and get the answer then do the same for everything else.

sorry i cant help with everything.

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the area of a rectangle is 42 square inches . the length is 7 inches . what is the perimeter of the rectangle ?
Sphinxa [80]

Area = 42 sqaure inches

Length =7

Area = l x width

if the width is X then 7x=42 and x= 42/7 = 6

there X (width) is 6

perimeter thus is 7+7+6+6= 26

The answer is 26


6 0
3 years ago
Please help! will give 14 points and brainliest!
Sindrei [870]

Answer:

EF = 22 , AB = 1

Step-by-step explanation:

the midsegment of a trapezoid is equal to half the sum of the parallel bases

EF = \frac{1}{2} (AB + DC ) ← substitute values

x + 6 = \frac{1}{2} (2x - 9 + x + 5) ← multiply both sides by 2 to clear the fraction

2x + 12 = 3x - 4 ( subtract 3x from both sides )

- x + 12 = - 4 ( subtract 12 from both sides )

- x = - 16 ( multiply both sides by - 1 )

x = 16

Then

EF = x + 6 = 16 + 6 = 22

Similarly

EF = \frac{1}{2} (AB + DC ) , that is

x + 3 = \frac{1}{2} (4x - 3 + 2x + 5 ) ← multiply both sides by 2 to clear the fraction

2x + 6 = 6x + 2 ( subtract 6x from both sides )

- 4x + 6 = 2 ( subtract 6 from both sides )

- 4x = - 4 ( divide both sides by - 4 )

x = 1

Then

AB = 4x - 3 = 4(1) - 3 = 4 - 3 = 1

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2 years ago
When converting a percent to a decimal, will there always be two digits after the decimal point? Explain
Goshia [24]

Answer:

No

Step-by-step explanation:

For example, 50% can be written as just 0.5

4 0
3 years ago
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A classroom will seat 80 people. If 56 seats are filled, what percentage of the seats are filled?
PolarNik [594]
Divide the seats filled by the total amount of seats of the classroom.

\frac{56}{80} = 0.7

Multiply this result by 100 to find the percentage.

0.7 * 100 = 70

The classroom has 70% of the seats filled.
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Kennan has 15% of $25, Lauren has 25% of $15. Who has more money.
kramer

Answer:

neither their equal

Step-by-step explanation:

they bot equal $3.75

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3 years ago
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