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Nitella [24]
3 years ago
13

Find the value of a and b when x= 10 a = 5x2 2 2x²(x-5) b= 10x

Mathematics
1 answer:
Alexus [3.1K]3 years ago
7 0

Answer:

i need points

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Alfonso solved a division problem by drawing an area model.
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3 years ago
Which value of y from the set {4, 5, 6, 7} makes this equation true? 2y + 5y = 49
morpeh [17]
Your answer is 7, 14+35=49
8 0
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Landry earned $2,300 over the summer and decided to invest it in an account that earns 4% annual compound interest. If Landry do
solniwko [45]

Answer:

Landry will have $5039.58

Step-by-step explanation:

compound interest formula: amount = p(1 + \frac{r}{n})^{nt}

p= principal ($2,300)

r= interest rate as a decimal (4% = 0.04)

n= number of times the principal is compounded per year (annually = once per year so 1 time per year)

t= time in years (20 years)

new equation: amount = 2300(1+\frac{0.04}{1} )^{1*20}

That equation equals $2,739.58 which you add to the principal.

$2,739.58 + $2,300 = $5039.58

hope this helps :) the equations aren't showing up right :(

6 0
3 years ago
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Six times a number x and was added to 90 and the result is -42. What is the number​
ANTONII [103]

According to the question,

6x + 90 = -42

<h3>To Find:</h3>

The value of x.

<h3>Solution:</h3>

6x = -42 + 90

or, x = 48/6

or, x = 8

<h2>Answer:</h2>

The value of x is 8.

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3 years ago
Chelsea completes 35 math problems in 7 min.
Andru [333]
Answer = 5 problems per minute

Because you do the number of problems divided by the minutes eg 35/7 = 5
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