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just olya [345]
2 years ago
15

Xina has $289 and spends $55 at the grocery

Mathematics
1 answer:
Kruka [31]2 years ago
6 0
200 dollars like the answer please
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Need help ASAP!!!!!!!
natima [27]

Answer:

A

Step-by-step explanation:

You can subtract normally when the square roots are the same( like in your problem) but the squares stay they same and the numbers on the outside change.

4 0
3 years ago
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Find a common denominator for the pair of factions.then,write equivalent fractions with the common denominator 8/15 and 1/3
Juli2301 [7.4K]

Answer:

c. 15

Step-by-step explanation: 15 is divisible by 3

7 0
2 years ago
What value of x makes the equation -2/3x + 3 1/3x - 1/2 = -1/3x + 5 1/2 true? Please help ASAP!!!!!!!!
Naddika [18.5K]

Answer:

<h2>x = 2</h2>

Step-by-step explanation:

<h2 />

The steps of the solution in the photo above

I hope that is useful for you :)

3 0
2 years ago
For the equation y=7x-2, what is the rate of change? What does it mean? It is a linear function where the rate of change is the
podryga [215]
The rate of change would be 7. you would plot your first point on the graph at (-2,0) and the next one would be up 7 and over 1 for your next plot point.
4 0
3 years ago
A sphere has a diameter of 4 x 10^-3 mm. What is the approximate volume of the sphere? Use 3.14 for pi.
kolezko [41]

Answer:

3.349 \times {10}^{ - 10} \:  {mm}^{3}

Step-by-step explanation:

d = 4 \times  {10}^{ - 3}  \: mm \\ r = 2 \times  {10}^{ - 3}  \: mm \\ V_{sphere}  =  \frac{4}{3} \pi {r}^{3}   \\ = \frac{4}{3}  \times 3.14 \times {(2 \times  {10}^{ - 3} )}^{3} \\  = \frac{4}{3}  \times 3.14 \times 8\times  {10}^{ - 9}  \\ = \frac{100.48}{3}  \times   {10}^{ - 9}  \\  = 33.4933333\times   {10}^{ - 9}  \\  = 33.49 \times {10}^{ - 9} \\  = 3.349 \times {10}^{ - 10} \:  {mm}^{3}

8 0
3 years ago
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