2 years ago

Geometry math question no Guessing and Please show work thank you

Mathematics

1 answer:

Cloud [144]2 years ago

3 0

here two given sides are 10 and 6,

We use the rule of triangle here:

sum of two sides> third side

checking for each option

Option A: AC=4

4+6>10, 10>10 (false)

So AC cannot be equal to 4, option A is answer.

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(−m 2 +6)+(−4m 2 +7m+2)

dmitriy555 [2]

Following are calculation to the given eqution:

Given:

$\bold{(-m^2+6)+(-4m^2+7m+2)}$

To find:

Solve the equation.

Solution:

$\to \bold{(-m^2+6)+(-4m^2+7m+2)}\\\\\to \bold{-m^2+6-4m^2+7m+2}\\\\\to \bold{-5m^2+7m+8}\\\\\to \bold{-1(5m^2-7m-8)}\\\\$

Therefore, the final solution is " $-1(5 m^2-7m-8)$ ".

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brainly.com/question/12685776

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2 years ago

Find the value of x that makes Triangle DEF~ triangle XYZ.

BartSMP [9]

Answer:

x = 4

Step-by-step explanation:

DE / XY = EF / YZ

5 / 10 = 2x-1 / 14

cross-multiply:

10(2x-1) = 14(5)

20x - 10 = 70

20x = 80

x = 4

8 0

2 years ago

A. (-1,0) B. (0, -2) C. (-2, 0) D. (0, -1)

Alinara [238K]

Answer:

the answer is B, (0, -2) :)

Step-by-step explanation:

3 0

2 years ago

Kyle is making 9 birdhouses. He uses 8 nails for each birdhouse. If Kyle has a box of 100 nails, how many nails will he have lef

iragen [17]

9 x 8 = 72
100 - 72 =28

Hope this helps

7 0

2 years ago

2) An $80 text book was on sale for $49.60 at the used book store. By

nadya68 [22]

Answer:

38%

Step-by-step explanation:

Original price = $ 80

Price after reduction = $ 49.60

Reduction = 80 - 49.60 = $30.40

Percentage of decrease = $\frac{reduction price}{original price}*100$

$= \frac{30.40}{80}*100\\\\=\frac{3040}{80}$

= 38%

3 0

2 years ago

Read 2 more answers