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kompoz [17]
3 years ago
6

Can somone help me please!!!

Mathematics
1 answer:
Doss [256]3 years ago
5 0

Answer:

7. D. 130² ft.

8. She can feed 6 friends.

9. There are 7 trees in each row.

10. B. 490.

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The intersection of two planes is _____ a line.<br><br> Always<br> Sometimes <br> Never
Nezavi [6.7K]
The intersection of two planes is always a line
8 0
2 years ago
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Solve for x: 3(x-5)+4x-2=4​
zysi [14]

Answer:

x = 3

Step-by-step explanation:

3(x−5)+4x−2=4

Step 1: Simplify both sides of the equation.

3(x−5)+4x−2=4

(3)(x)+(3)(−5)+4x+−2=4(Distribute)

3x+−15+4x+−2=4

(3x+4x)+(−15+−2)=4(Combine Like Terms)

7x+−17=4

7x−17=4

Step 2: Add 17 to both sides.

7x−17+17=4+17

7x=21

Step 3: Divide both sides by 7.

7x

7

=

21

7

x=3

3 0
3 years ago
Read 2 more answers
Let B=[-1 3 6 -3].Find-4B.
vaieri [72.5K]

The product of a scalar and a matrix is found by multiplying each element of the matrix by the scalar. Multiply each element by -4.

... [4 -12 -24 12]

4 0
3 years ago
What is the algebraic expression for the following word phrase the sum of 7w and 5
just olya [345]

The sum is the result of adding two or more numbers.

If one number is 7w and another number is 5, then the sum is

7w+5.

Answer: the algebraic expression for the word phrase the sum of 7w and 5 is 7w+5.

5 0
3 years ago
Read 2 more answers
I need the equation and steps please!
serg [7]
Let d is the number of days of rental car
At Trinity's Tire World, $50 a day plus $75 fee: 50*d + 75
At India's Auto,  $35 a day plus $105 fee: 35*d + 105

To find out after how many days, they both cost the same

50*d + 75 = 35*d + 105
50d + 35d = 105 - 75
15d = 30
d = 30/15
d = 2

Answer: after 2 days, they both cost the same amount of money

Proof:

50*d + 75 = 50*2 + 75 = 100 + 75 = 175
35*d + 105 = 35*2 + 105 = 70 + 105 = 175

Hope that helps

3 0
3 years ago
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