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Brums [2.3K]
3 years ago
8

Factor and solve the zeros for the following x^2+10x-75=0

Mathematics
1 answer:
MrMuchimi3 years ago
5 0
X=5,−15 I know I took it
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In 2011 grace paid $12.95 for a box of cards and $0.44 each stamp for 16 stamps. What was the total cost in dollars and cents of
Aleks04 [339]

Answer:

Cost for each:

box of cards=$12.95

stamp=0.44

The number of quantity for each:

box of cards=1

stamp=16

Now the equation should be as follow:

quantity(box of cards)+quantity(stamp)

1($12.95)+16($0.44)

$12.95+$7.04

$19.99

The total cost is $19.99 or simply 19 dollars and 99 cents

Step-by-step explanation:

3 0
3 years ago
3. Use the relationship between 21 and 25 to decide whether the top and middle shelves are
kaheart [24]

Answer:

Angle between 21 and 25 are co interior angle

4 0
3 years ago
What is the perfect cubes between 1000 and 3000 that are even numbers
Bogdan [553]
<span>12^3 = 1728 and 14^3 = 2744 First, let's reduce the range of numbers to check. The cube root of 1000 is 10 and the cube root of 3000 is 14.4225. So we need to look at the numbers 11, 12, 13, and 14. Not looking at 10 since the question states "BETWEEN 1000 and 3000". Now the only way you're going to get an odd number when multiplying 2 numbers is if both numbers are odd. And since we're looking for perfect cubes, that would imply that we're cubing an even number. So the answers will be 12^3 = 1728 and 14^3 = 2744</span>
8 0
4 years ago
The sum of two consecutive whole numbers is 171, What are the two numbers?
lara31 [8.8K]

Answer:

85 + 86 = 171

Step-by-step explanation:

Just divide 171 by 2 = 85.5, so it pretty clear the rest is just logic.

(85.5 - 0.5) + (85.5 + 0.5) = 171

8 0
3 years ago
The table shows the value of an account x years after the account was opened. Based on the exponential regression model, which i
lana66690 [7]

Answer:

Correct choice is B

Step-by-step explanation:

The exponential regression model can be written as exponential function

y=a\cdot b^x.

Then

5,000=a\cdot b^0=a,\\ \\5,510=a\cdot b^2\Rightarrow 5,510=5,000\cdot b^2,\\ \\b^2=\dfrac{5,510}{5,000}=\dfrac{551}{500}\Rightarrow b\approx 1.05.

Thus,

y=5,000\cdot (1.05)^x.

When x=12, you get

y(12)=5,000\cdot (1.05)^{12}\approx \$8,980.

6 0
4 years ago
Read 2 more answers
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