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bagirrra123 [75]
2 years ago
8

Why do we have to do school​

Mathematics
1 answer:
lawyer [7]2 years ago
5 0
To learn math reading writing and pe.
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How many solutions does this equation have?<br> 7a + 5 (a + 3) = 8a + 4 (a + 2)
mart [117]

Answer:

no \: solution

Step-by-step explanation:

1) Expand.

7a + 5a + 15 = 8a + 4a+ 8

2) Simplify 7a + 5a + 15 to 12a + 15.

12a + 15 = 8a + 4a+ 8

3) Simplify 8a + 4a + 8 to 12a + 8.

12a + 15 = 12a + 8

4) Cancle 12a from both sides.

15 = 8

5) Since 15 = 8 is false, there's no solution.

no \: solution

Therefor, this equation has no solution.

5 0
2 years ago
10 number for the binary 1000
puteri [66]

The expanded form of 1000 base 2 is ...

... 1×2³ + 0×2² + 0×2¹ + 0×2⁰

... = 8+0+0+0 = 8 (base 10)

The only thing that changes is the number base. The rest of the behavior of the place-value number system is the same as in base ten.

5 0
3 years ago
Write an equation in slope-intercept form for the line that passes through (–1, –2) and (3, 4)
nalin [4]

Answer:

3/2x and unknown

Step-by-step explanation:

y2-y1/X2-x1

4--2/3--1

6/4 or 3/2

so 3/2x + or - B, b is where the line intersects on the y axis

7 0
3 years ago
Read 2 more answers
Evaluate if m = 16 and p = 2. 1/2m + 3p A) 10 B) 14 C) 18 D) 48
Zepler [3.9K]

Answer:

B) 14

Step-by-step explanation:

We can plug in the values of m and p into the equation:

1/2 m + 3p = 1/2 (16) + 3 (2) = 8 + 6 = 14.

4 0
3 years ago
Match each scenario with the tax it is describing by putting the correct number next t
Anna [14]

Answer:

1) Yvonne buys gloves that cost $10.00. At the register, she must pay  $10.80. ⇒ EXCISE TAX  

2)Sasha bought a house last year. She just got a tax bill from the  county showing the value of her house and the amount of tax. ⇒ PROPERTY  TAX  

3) Bigmart sells boots made in China and boots made in the U.S.  Bigmart must pay 27% tax on each pair of boots made in China, but  not on the U.S. made boots. ⇒ TARRIFF.  

4)State citizens voted to add a 75-cent tax to each pack of cigarettes  to pay for programs to help people quit smoking. ⇒ SALES TAX  

5)Jake got his paycheck today. He worked 40 hours at $20 per hour  His gross pay was $800, but the amount of his paycheck was only. ⇒ Income/Social /Security/Medicare  Taxes

8 0
3 years ago
Read 2 more answers
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