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Yuki888 [10]
2 years ago
11

Rewrite in simplest terms: -3(s – 10) + 7(-2s – 1)

Mathematics
2 answers:
Inessa05 [86]2 years ago
6 0

Answer:

-17s + 23

Step-by-step explanation:

- 3(s - 10) + 7( - 2s - 1)

- 3(s - 10) =  - 3s - 3 \times ( - 10)

- 3s + 30 + 7( - 2s - 1)

- 3s + 30 - 14s - 7

- 17s + 30 - 7

\boxed{\green{= - 17s + 23}}

erik [133]2 years ago
5 0

-3(s-10)+7(-2s-1)

-3s+30+(-14s-7)

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If costs $2.28 for 12 fluid ounces of dishwashing detergent. what is the cost per fluid ounce?
sesenic [268]

Answer:

0.19

Step-by-step explanation:

12u->2.28

1u-> 2.28 /12

=0.19

6 0
3 years ago
PLEASE HELP! WILL MARK BRAINLIEST IF RIGHT! 3 QUESTIONS!
andrey2020 [161]

Answer:

Tia cut a 4-meter 8-centimeter wire into 10 equal pieces. for Jay 10 quarts would be the answer. Step-by-step explanation: He needs x quarts for the inside painting and x + 19 quarts for the outside. These two measures add up to 2x + 19, which equals 107 (quarts) total. The last one is tring A is 35 cm long, string B is 5 times as long as string A, then string B is 35·5=175 cm long. In total both strings have length 35+175=210 cm. The total length of string needed for 17 identical decirative bottes is  cm that is 35.7 m.

4 0
3 years ago
A coin is tossed 5 times. Find the probability that all are heads. Find the probability that at most 2 are heads.
fenix001 [56]

Answer:

1/32

15/32

Step-by-step explanation:

For a fair sided coin,

Probability of heads, P(H) = 1/2

Probability of tails P(T)  = 1/2

For a coin tossed 5 times,

P( All heads)

= P(HHHHH),

= P (H) x P(H) x P(H) x P(H) x P(H)

= (1/2) x (1/2) x (1/2) x (1/2) x (1/2)

= 1/32 (Ans)

For part B, it is easier to just list the possible outcomes for

"at most 2 heads" aka "could be 1 head" or "could be 2 heads"

"One Head" Outcomes:

P(HTTTT), P(THTTT) P(TTHTT), P(TTTHT), P(TTTTH)

"2 Heads" Outcomes:

P(HHTTT), P(HTHTT), P(HTTHT), P(HTTTH), P(THHTT), P(THTHT), P(THTTH), P(TTHHT), P(TTHTH), P(TTTHH)

If we count all the possible outcomes, we get 15 possible outcomes representing "at most 2 heads)

we know that each outcome has a probability of 1/32

hence 15 outcomes for "at most 2 heads" have a probability of

(1/32) x 15  = 15/32

8 0
3 years ago
Read 2 more answers
2 Points
pav-90 [236]
Subtract 15 from both sides.
28-15=13
X=13
7 0
3 years ago
Write 11 out of 25 as a percentage
mixer [17]
0.44
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3 years ago
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