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ArbitrLikvidat [17]
3 years ago
6

Need help ASAP Will mark as Brainiest

Mathematics
1 answer:
Kisachek [45]3 years ago
7 0

Step-by-step explanation:

x²-11x+32=4

x²-11x+28=0

(x-4)(x-7)=0

x=4 or x=7

_______

x²+8x-5=4

x²+8x-9=0

(x+9)(x-1)=0

x=-9 or x=1

_______

x²+x+4=5x+1

x²-4x+3=0

(x-1)(x-3)=0

x=1 or x=3

________

x²+x-24=-8x-2

x²+9x-22=0

(x+11)(x-2)=0

x=-11 or x=2

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8) 20% of 80 =<br> 40% of
pickupchik [31]
20/100 x 80
0.20 x 80
= 16
4 0
4 years ago
Hugh bought some magizines that cost 3.95 each and some books that cost 8.95 each. He spent a total of 47.65.If Hugh bought 3 ma
HACTEHA [7]

Answer:

4 books

Step-by-step explanation:

We are told that: Hugh bought some magazines that cost 3.95 each

Hugh bought 3 magazines.

Hence, total cost of magazines = 3 magazines × 3.95

= 11.85.

Total cost of magazines = 11.85

From the question, we know that, the total amount Hugh spent = 47.65

Hence, The total cost for books =

Total amount spent - Total cost of magazines

= 47.65 - 11.85

= 35.80

Therefore, the total cost of books = 35.80

We are told in the question that the cost of books is 8.95 each or 8.95 per book.

Hence, the number of books that Hugh bought is calculated as :

35.80/8.95

= 4 books

Therefore, Hugh bought 4 books

6 0
3 years ago
Trevor is looking at purchasing a new cellular phone plan. Company A charges $35.25 a month, plus $.11/min for local calls. Comp
AysviL [449]

Answer:

We can create a one-variable equation and solve for x.

we set 35.25+0.11x equal to 14.25+0.32x

35.25+0.11x=14.25+0.32x

then we just solve for x to get 100

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Identify the number of decimal places in each factor. 0.47 × 3.2 The number of decimal places in 0.47 is . The number of decimal
nignag [31]

Answer:

2, 1, 3

Step-by-step explanation:

correct on edg

5 0
4 years ago
You are out with friends. Half of you want to go bowling and the other half want to go to a movie. How will you make a fair deci
artcher [175]

Answer:

Option B

Step-by-step explanation:

Given that  Half of you want to go bowling and the other half want to go to a movie

So we must get probability for bowling = prob for movie

Option 1:  Here P(HH) = 1/4 and P(no HH) = 3/4

SInce the two are not equal this is not fair

2) Here P(HT ) =1/4 and P(TH)=1/4 and other outcomes repeat the process

This is fine and hence this option is right

3) P(HHT) = 1/8 and P(TTT or HHH) =1/8+1/8=1/4

This is biased and hence not fair

4) P(HHH or TTT) = 1/4 and P(Other options)=3/4

Biased and hence not fair

Only option B is right.

7 0
3 years ago
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