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charle [14.2K]
3 years ago
10

Are 2(x-5) and 2x-5 equivalent

Mathematics
2 answers:
Mandarinka [93]3 years ago
7 0
No, because with the parentheses, you distribute the 2 to both the x and the 5, making that equation 2x-10
krek1111 [17]3 years ago
7 0
No, 2(x-5)=2x-10 not 2x-5
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Harriet is cultivating a strain of bacteria in a petri dish. Currently, she has 103 bacteria in the dish. The bacteria divide ev
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C. 203 is the answer
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2 years ago
The ideal width of a safety belt strap for a certain automobile is 7 cm. An actual width can vary by at most 0.3 cm. Write an ab
tester [92]
<span>
</span>(7-.3) \leq w \leq (7+.3)&#10;

6.7 \leq w \leq 7.3

w - 7 = -0.3

w = 6.7

So the answer is

<span>C. |w – 7| ≤ 0.3</span>
6 0
3 years ago
- Which fractions are equivalent to 6/8?
natima [27]

Answer:

3/4,

12/16,

18/24,

24/32

30/40

...So on, So on...

Step-by-step explanation:

Any fraction that you multiply by the same number on the bottom and on top.

So, multiply by two, what you do to the top do to the bottom. = 12/16

Multiply by three = 18/24

So on, so on.

Or you can reduce, 6/8 divide by 2 = 3/4.

I'm gonna give you 5 equivalent equations. I also taught you how to do it!

7 0
3 years ago
Jim and Dianna want to save for their child’s college expenses. They find an annuity that pays 6% annual interest, compounded mo
lana66690 [7]

Answer:

future value = $49163.8

so required amount will be $491200 nearest $100

Step-by-step explanation:

given data

annual interest rate = 6 %

annuity = $300 per month

time period = 10 years

to find out

how much money will they have for the college expenses

solution

we know that effective rate will be

effective rate = \frac{0.06}{12}

effective rate = 5 × 10^{-3}

number of payment = 12 × 10 = 120

so future value will be express as

future value = annuity × \frac{(1+r)^t-1}{r}   .........1

future value = 300 × \frac{(1+5*10^{-3})^{120}-1}{5*10^{-3}}

future value = 300 × 163.8793  

future value = $49163.8

so required amount will be $491200 nearest $100

7 0
3 years ago
Y= -4x+9; (-5, ), (2, ), (4, )
Zolol [24]

Answer:

(-5,29)

(2,1)

(4,-7)

Step-by-step explanation:

y = -4x + 9

When x is -5;

y = -4(-5) + 9 = 29

When x is 2;

y = -4(2) + 9 = 1

When x is 4;

y = -4(4) + 9 = -7

4 0
4 years ago
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