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Brums [2.3K]
2 years ago
14

Someone help me?????

Mathematics
1 answer:
ziro4ka [17]2 years ago
8 0

Step-by-step explanation:

4. b 612 (72/100) x 850)

5. c. 275 (33/100) x 835

6. b. 39% (3.24 - 2.85) x100%)

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nexus9112 [7]

Answer:

x=-3

Step-by-step explanation:

If x=-3, then

x³+x²-2x+12=-27+9+6+12=-27+27=0

If this is true, then x+3 is a factor. So:

x³+x²-2x+12/x+3=x²-2x+4

So the factors of x³+x²-2x+12 are:

(x+3)(x²-2x+4)

((x²-2x+4) has no real roots)........

4 0
2 years ago
For a house call, a veterinarian charges $70, plus $40 an hour. A. Write an equation that represents the total fee y y (in dolla
Elodia [21]

Answer:

Let x represents the hours and y represents the total fees(in dollars)

As per the statement:

(a)

For a house call, a veterinarian charges $70, plus $40 an hour

"$40 an hour" means 40x

then;

the equation we get;

y = 40x + 70         .....[1]

(b).

Find the x-intercept.

x-intercept states that the graph cross the x-axis.

Substitute y = 0 in the equation and solve for x;

we get;

x = -\frac{7}{4}

y-intercept states that the graph crosses the y-axis i.e

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y =70

Therefore, x-intercept and y-intercept of equation [1] are:  

-\frac{7}{4} and 70

5 0
3 years ago
8 students want to share 6 candy bars equally. How much will each student get?
Crank

Answer: 1.3

Step-by-step explanation:

8 divided by 6 will equal 1.3 so each student will get 1.3

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2 years ago
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frank is going to plant c vegetable seeds in one garden and 4c+2 vegetable seeds in another. How many seeds is Frank going to​ p
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Step-by-step explanation:

If Frank is planting b seeds in one and 5b + 10 in the other, the expression showing the total is b + (5b + 10), or 6b + 10 seeds.

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2 years ago
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What expression shows 0.624 in expanded form
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   .600     >
   .020      > Expanded Form
<u>+ .004 </u>    >     <u>
</u>   .624

3 0
3 years ago
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