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den301095 [7]
2 years ago
7

Can someone help me with these pleaseeeee

Mathematics
1 answer:
dsp732 years ago
3 0

Answer:

Okay sure

1. 8a-22

2. 5v+7

3. 17c+1

4. 15x-8y

Step-by-step explanation:

You just have to combine them together.

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What place value is 7 in 7,000.2
Dennis_Churaev [7]

Answer:

thousands place

Step-by-step explanation:

Have a nice day

8 0
2 years ago
A refrigerator costs $580 a year to run. A family purchases a new one for $1200 that will save them 22% annually in energy costs
NeTakaya

Answer:

It will take nine years and four months for the refrigerator to pay for itself.

Step-by-step explanation:

The new refrigerator which costs $1200, saves the family 22% annually in energy cost.

Since the old refrigerator costs $580 to run, we want to determine how many years it will take for 22% of $580 per year to make $1200.

22% of $580

= 580 × 0.22

= 127.6

That is, it saved then $127.6 per year.

Now,

$1200/127.6

≈ 9.4

Which means, it will take 9 years and 4 months for the refrigerator to pay for itself.

7 0
2 years ago
Which figure has an orthocenter outside the triangle? A triangle has angle measures of 30, 75, and 75 degrees. A triangle has an
zlopas [31]

Answer:

A triangle has angle measures of 45, 110, and 25 degrees would has an orthocenter outside the triangle.

Hope this helps!

:)

8 0
3 years ago
Read 2 more answers
Please help me ! It would be greatly appreciated
konstantin123 [22]
The second and third one are correct
4 0
3 years ago
Read 2 more answers
What is the LCM of 306 and 270
kap26 [50]

Answer:

LCM = 4590

Step-by-step explanation:

1. Find the prime factorization of 306

306 = 2 × 3 × 3 × 17

2. Find the prime factorization of 270

270 = 2 × 3 × 3 × 3 × 5

3. Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:

LCM = 2 × 3 × 3 × 3 × 5 × 17


6 0
2 years ago
Read 2 more answers
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