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aleksandrvk [35]
3 years ago
5

How do I simplify (-4x^2+2x-3)+(7-2x^2+x)???

Mathematics
1 answer:
tensa zangetsu [6.8K]3 years ago
4 0

Answer: -6x^2 + 3x + 4

Step-by-step explanation:

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Which point is a solution to the inequality shown in this graph?
Rina8888 [55]

Answer:

D

Step-by-step explanation:

It is on the line so it is a solution, hope this helps

6 0
2 years ago
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Samantha has $24 but she wants a pair of Jordan's that are $112. She does chores and she gets paid $5 for each chore. If she doe
natita [175]

Answer:

Check step-by-step.

Step-by-step explanation:

Okay, so. She gets 5 dollars and she does 15 chores. You would multiply it.

5 * 15 = $75

Then you would subtract 112 and 75.

112 - 75 = 37.

She will get $75. Then, she will need to gather $37

6 0
3 years ago
Simplify this expression: -5(c-3d + 1)
Amanda [17]

Answer:

-5c + 15d - 5

Step-by-step explanation:

1. Distribute the -5 from outside the paranthesis to the inside.

2. Keep in mind the negative signs when you're distributing.

3 0
3 years ago
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The triangles are similar. If KL = 5, JL = 6, and PM = 9, find PN. Round to the nearest tenth.
Pachacha [2.7K]
If the triangles are similar, then the corresponding ratio of their sides have equal ratios. Through ratio and proportion, we would determine the answer.

5/6 = x/9, where x is the length for side PN

Transposing the equation so that x is on the left side:

x = (5/6)*9
x = 7.5
6 0
3 years ago
Question 2 (Essay Worth 10 points)
Soloha48 [4]

Answer:

Account A: Decreasing at 8 % per year

Account B: Decreasing at 10.00 % per year

Account B shows the greater percentage change

Step-by-step explanation:

Part A: Percent change from exponential formula

f(x) = 9628(0.92)ˣ

The general formula for an exponential function is

y = ab^x, where

b = the base of the exponential function.

if b < 1, we have an exponential decay function.

ƒ(x) decreases as x increases.

Account A is decreasing each year.

We can rewrite the formula for an exponential decay function as:

y = a(1 – b)ˣ, where

1 – b = the decay factor

b = the percent change in decimal form

If we compare the two formulas, we find

0.92 = 1 - b

b = 1 - 0.92 = 0.08 = 8 %

The account is decreasing at an annual rate of 8 %.The account is decreasing at an annual rate of 10.00 %.

Account B recorded a greater percentage change in the amount of money over the previous year.

5 0
2 years ago
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