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Sladkaya [172]
3 years ago
6

Is (5x+4) a factor of (-21x^2-15-40x+5x^3

Mathematics
1 answer:
Tamiku [17]3 years ago
6 0

Answer:

No. It is not.

Step-by-step explanation:

Dividing 5x³+21x²-40x-15 by 5x+4 gives x²+5x-4 with a remainder. Which means, 5x+4 is not a factor of 5x³+21x²-40x-15

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A donut shop made 50 donuts. They put frosting on 33 of the donuts. What is the ratio of the number of donuts with frosting to t
shtirl [24]

Answer:

33:50

Step-by-step explanation:

if there are 50 donuts that gives you 1 part of your answer. Then you have 33 donuts frosted there the other part. Glad I can help

4 0
3 years ago
Fred buys a video game disk for 4$. there was a discount of 20%. what is the sales price?
enyata [817]
The answer is this: $3.60

4 x 10 = 40 - 0.4 = 3.6 



4 0
3 years ago
Read 2 more answers
Find a formula for the distance from the point​ P(x,y,z) to each of the following planes. a. Find the distance from​ P(x,y,z) to
BARSIC [14]

Answer:

Distance to the xy-plane = |z|

Distance to the yz-plane = |x|

Distance to the xz-plane = |y|

Step-by-step explanation:

The distance from P(x,y,z) to the xy-plane is by definition the magnitude of the vector that goes from the perpendicular projection of P over the xy-plane to the point P, which is exactly the magnitude of the vector (0,0,z) = |z| the absolute value of z

Similarly, the distance from P to the yz-plane is |x| and the distance from P to the xz-plane is |y|

Distance to the xy-plane = |z|

Distance to the yz-plane = |x|

Distance to the xz-plane = |y|

7 0
3 years ago
Patrick borrows $20,500 for 5 years with an interest rate of 2.3%, how much interest will he owe?
Volgvan

Answer:

i think its 2.3%

Step-by-step explanation:

tell me if im wrong

6 0
2 years ago
Amanda is making pastry dough. She mixes of a cup of flour and of a cup of sugar. If she wants to mix flour and sugar in the sam
alexira [117]
<span>The answer is
2/5</span><span> or </span>0.4<span> cups of flour are needed.

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8 0
3 years ago
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