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solong [7]
3 years ago
9

-8(5b + 2) -7(b - 5)

Mathematics
2 answers:
Zanzabum3 years ago
7 0

Answer:

-47b + 19

Step-by-step explanation:

skad [1K]3 years ago
4 0
-40b-16-7b+35
-47b-16+35
-47b+19
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What is ​ 4910 ​ expressed as a decimal?What is ​ 4910 ​ expressed as a decimal?
Anna35 [415]
I think its 4910.00 you can't make a whole number a decimal.
5 0
3 years ago
Read 2 more answers
Please Help this is the only one i dont know!!
Stella [2.4K]

Answer:

\large\boxed{x=\dfrac{23}{33}}

Step-by-step explanation:

\text{Let}\ x=0.\overline{69}\\\\x=0.696969...\qquad\text{multiply both sides by 100}\\\\100x=69.696969...\qquad\text{subtract}\ x\ \text{from}\ 100x:\\\\100x-x=69.696969...-0.696969...\\\\99x=69\qquad\text{divide both sides by 99}\\\\x=\dfrac{69}{99}\\\\x=\dfrac{23}{33}

7 0
3 years ago
Sandra went for pizza with friends. She ordered a slice of pizza with a side salad for $9.50. The tax was 6.2%.
Anvisha [2.4K]

The total amount of money Sandra paid for a slice of pizza with a side salad including tax is $10.089

<h3>How to find total price including tax</h3>

  • Price of slice of pizza with a side salad = $9.50
  • Tax = 6.2%

Total amount Sandra paid = Price of slice of pizza with a side salad + (Tax × Price of slice of pizza with a side salad)

= 9.50 + (6.2% × 9.50)

= 9.50 + (0.062 × 9.50)

= 9.50 + 0.589

= $10.089

Therefore, the total amount Sandra paid is $10.089

Learn more about percentage:

brainly.com/question/843074

3 0
2 years ago
If cos theta=-3/5 in quadrant 2 what is sin theta?<br><br> A:4/5<br> B:3/4<br> C:-3/4<br> D:-4/5
Scrat [10]
Answer: Choice A) 4/5

-------------------------------------------

Work Shown:

cos^2(theta) + sin^2(theta) = 1
(-3/5)^2 + sin^2(theta) = 1
9/25 + sin^2(theta) = 1
9/25 + sin^2(theta) - 9/25 = 1 - 9/25
sin^2(theta) = 1 - 9/25
sin^2(theta) = 25/25 - 9/25
sin^2(theta) = (25 - 9)/25
sin^2(theta) = 16/25
sqrt[sin^2(theta)] = sqrt[16/25]
sin(theta) = 4/5

The fact that sine is positive in quadrant 2 means that the result is positive.
8 0
3 years ago
a painter uses 4 gallons of paint to paint each apartment in a building. if the painter has 45 gallons of paint, how many apartm
DochEvi [55]
The painter painted 11 apartments because 4 doesn’t go into 45, so the closest think to 45 is 4 x 11 (44). the painter will have 1 gallon left.
7 0
2 years ago
Read 2 more answers
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