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Sergeeva-Olga [200]
3 years ago
7

Write an algebraic expression for each word expression.

Mathematics
1 answer:
coldgirl [10]3 years ago
7 0

Answer:

27) 14x

28) n/9

29) A number, z, divided by 11

30) The sum of a number, z, and 11

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On a number line, the distance from zero to -8 is 8 units. Which equation demonstrates this concept? A. 82 = 64 B. |-8| = 8 C. |
emmasim [6.3K]

Answer:

Option B

Step-by-step explanation:

The absolute value of a number is how far a number is from zero. We can use ' | | ' to represent the absolute volume of a number.  The distance, or absolute value, of -8 is 8.

We can represent this by writing:

|-8| = 8

Option B should be the correct answer.

7 0
3 years ago
Read 2 more answers
Evie and Sophia are planning a cement patio by their swimming pool. A contractor says the cement will weigh 61⁄3 tons. How many
Marat540 [252]

Answer:

       It will take them 28 loads

Step-by-step explanation:

In this question, we are basically asked to divide both quantities and report the result

We divide

(61/3) / (3/4) = 244/9 = 27.11

It will take them 28 loads to haul all the cement in their pick up truck, which can carry 0.75 ton.

The options are incorrect.

8 0
3 years ago
F (n)=-3n^2-4n<br> Find f(4)
defon

Answer:

144

Step-by-step explanation:

f(4)=3*4^2

f(4)=12^2

12*12=144

7 0
3 years ago
Read 2 more answers
Use the Product Property for Exponents to explain why x · x = x2.
Lubov Fominskaja [6]

Whenever there is no exponent on a variable,

you can give it an exponent of 1.

So we can rewrite the x's in this problem as x¹.

When we multiply two terms together

with like bases, we add their exponents.

So now just add their exponents to get x².

3 0
3 years ago
Alegebra liner equations.
luda_lava [24]
1. The answer would be (D). This is because you will plug is the (x) of the ordered pair into the equation(y=-2x), so first off would be (y=-2(-2)). since your multiplying a negative time a negative, you will get your (y) which is 4. Now you do this with the rest. -2(1)=-2 and -2(3)=-6.
2. This would be (A). This answer is simple. First you will take one of the equations (y=-x-1) and plug x into it's place so, y=-3-1, getting your answer(y) as being -4. Now you do the same with the other pair. y=-5-1, getting -6, showing (A) as your answer.
3.The answer will be (A)y is 2 times x. this is because you wou would make out the equation from the answer (y=2x). Now knowing your equation, all thats left is plugging in your (x) factors. so y=2(1), getting your (y) value of 2 and you would do this with the rest of your x factors. 
4. y=5+x
    y=5+(2)= 7
    y=5+(3)= 8
    y=5+(4)= 9
5. (B)y is 3 times x
    y=3(x)
    y=3(3)=9
    y=3(4)=12
    y=3(5)=15
6. (C)y is 6 less than x
    y=6-(x)
    y=6-(8)=2
    y=6-(9)=3
    y=6-(10)=4
5 0
3 years ago
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