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2 years ago

Please help me.... 15 points each... please!

Mathematics

2 answers:

mina [271]2 years ago

6 0

You would have 18 donkeys with 4 legs so 18(4)=72 and you would have 8 chickens with 2 legs so 8(2)=16 and 72+16=88

Alexxx [7]2 years ago

3 0

Answer:

I think it's 44

Step-by-step explanation:

because everyone has 2 legs so divide 88 by 2 which is 44.

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JUST REPOSTING THIS QUESTION UNTIL I GET A CORRECT ANSWER XD

S_A_V [24]

Answer:

x = 15

Step-by-step explanation:

isolate the variable by dividing each side by the factors that don’t contain the variable

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2 years ago

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If k = -3 what is the value of k + (2k - 10) ? A. –19 B. –7 C. 1 D. –14

gladu [14]

Answer:

Step-by-step explanation:

We have the expression $k+(2k-10)$

We want to find the value when k is -3. So, substitute -3 for k and evaluate:

$\Rightarrow (-3)+(2(-3)-10)$

Multiply:

$=-3+(-6-10)$

Subtract:

$=-3+(-16)$

Add:

$=-19$

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2 years ago

A, B, and C are midpoints of ∆XYZ. What is the length of cy

iogann1982 [59]

Answer:

$XY=36\ units$

Step-by-step explanation:

The correct question is

A, B, and C are midpoints of ∆XYZ. What is the length of XY

we know that

The Midpoint Theorem states that the segment joining two sides of a triangle at the midpoints of those sides is parallel to the third side and is half the length of the third side

step 1

Find the length of YZ

$AB=\frac{1}{2}YZ$

we have

$AB=24\ units$

substitute

$24=\frac{1}{2}YZ$

solve for YZ

$YZ=48\ units$

step 2

Find the length of XY

Applying Pythagoras Theorem in the right triangle XYZ

$XZ^2=XY^2+YZ^2$

substitute the given values

$60^2=XY^2+48^2$

solve for XY

$3,600=XY^2+2,304$

$XY^2=3,600-2,304$

$XY^2=1,296$

$XY=36\ units$

Applying the Midpoint Theorem

$BC=\frac{1}{2}XY$ -----> $BC=\frac{1}{2}(36)=18\ units$

$AC=\frac{1}{2}XZ$ -----> $AC=\frac{1}{2}(60)=30\ units$

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2 years ago

It costs $20 a day to rent a car and $30 for a full tank of gas. If Stacy fills up the tank 3 times and has the car rented for 1

Nata [24]

Answer:

$20 × 14 days = $280

&30 × 3 = $90

&280 + $90 = $370

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1 year ago

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When can a trapezoid also be called a parallelogram?

saveliy_v [14]

Answer:

Yes, because it has one pair of parallel sides.

Step-by-step explanation:

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2 years ago

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