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ss7ja [257]
3 years ago
11

Find the value of a and explain

Mathematics
2 answers:
Irina-Kira [14]3 years ago
3 0

Answer:

D

Step-by-step explanation:

The triangle is an isosceles triangle which means that two sides are the same, A is the same size of the equal side so A is D.

Eduardwww [97]3 years ago
3 0

Answer:

The answer is D.

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Find the value of 8(4+3)-21 divided by7
Doss [256]

Answer:

5

Step-by-step explanation:

First, let us simplify the expression on the left

8(4+3) - 21 = 8(7) - 21 = 8(7) - 3(7) = 7(8-3)

Divide this by 7 and you'll get 8-3 = 5

3 0
2 years ago
What is the greatest common factor of the numerator of ?
Annette [7]

The greatest common factor of the numerator and denominator of the rational expression is x - 4

<h3>How to determine the greatest common factor?</h3>

The fraction expression is given as:

\frac{5x-20}{x^2-2x-8}

Factorize the numerator and the denominator

\frac{5x-20}{x^2-2x-8} = \frac{5(x-4)}{(x- 4)(x + 2)}

Cancel out the common factor

\frac{5x-20}{x^2-2x-8} = \frac{5}{(x + 2)}

The common factor that was canceled out is x - 4

Hence, the greatest common factor of the numerator and denominator of the rational expression is x - 4

Read more about greatest common factors at:

brainly.com/question/10076354

#SPJ1

4 0
2 years ago
The velocity in feet per second, V, a skydiver is moving at after falling
chubhunter [2.5K]

Answer:

The answer is C

Step-by-step explanation:

Because the answer is just C

4 0
3 years ago
Where does the line through (1, 0, 1) and (4, −3, 3) intersect the plane x + y + z = 6?
Irina-Kira [14]

Parametrically for real t the line is


(x,y,z) = (1-t)(1,0,1) + t(4,-3,3)


(x,y,z) = (1,0,1) + t(4-1,-3-0,3-1)


(x,y,z) = (1,0,1) + t(3,-3,2)


That's three equations; we substitute into


x+y+z=6


(1+3t)+(0-3t) + ( 1+2t)=6


2t=4


t=2


(x,y,z) = (1,0,1) + 2(3,-3,2) = (7,-6,5)


The intersection is a single point (7,-6,5).



7 0
3 years ago
A grocery store has three locations: Central, North, and South. The grocery store counted the number of cantaloupes sold at each
Nikolay [14]
A) the number of the cantaloupes sold at Central varied less than did the number sold at North.
Because in Central it is 45 and 4.1 in sales of MAD and It is 47 5.7 in North
North>Central>South
8 0
3 years ago
Read 2 more answers
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