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Colt1911 [192]
3 years ago
11

HELP!!!!

Mathematics
2 answers:
Aleks [24]3 years ago
5 0

Answer:

6 hours

Step-by-step explanation:

( 7h + 5h)/2 =6h

GuDViN [60]3 years ago
4 0

ANSWER:

It would take them about 3 hours to paint the room together.

EXPLANATION:

The least common denominator of 7 and 5 would be 35, so if we set 7x+5x equal to 35, the answer rounds up to 3. (or 2.9 if rounded to the nearest tenth.)

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In the isosceles triangle ABC, we have AB=AC=4. The altitude from B meets AC at H. If AH=3(HC) then determine BC.
Inga [223]

Answer:

BC=√7

Step-by-step explanation:

AC=4

AC=AH+HC

=3HC+HC

=4HC

HC=1/4AC=1/4×4=1

AH=3HC=3×1=3

BH⊥ AC

AB=AC=4

BC=\sqrt{AB^2-AH^2} =\sqrt{4^2-3^2} =\sqrt{16-9} =\sqrt{7}

5 0
3 years ago
What is the value of 3 in 136,422
aliina [53]
The three refers to 3 ten thousands.  or 3 x 10,000.
5 0
3 years ago
Read 2 more answers
During August, the average cost of gasoline was $3.22 per gallon. During September, the average cost of gasoline was $3.67 per g
Lorico [155]
To ensure the proper number amount to the bond make sure that you multiply using the numerator and the denominator as well as check over the passage because you dont know how much to use according to the results so the answers should be

(B)
4 0
1 year ago
Question Help When purchasing bulk orders of batteries, a toy manufacturer uses this acceptance sampling plan: Randomly select a
S_A_V [24]

Answer:

Step-by-step explanation:

Here X no of defective batteries is binomial with p = 1% = 0.01

q = 1-p=0.99

(Because each battery is independent and there are only two outcomes)

Prob that shipment is accepted is for n =36, P(X\leq 2)

=P(x=0,1,2)

= \Sigma^2_0  36Cr (0.01)^r (0.99)^{36-r}

= 0.9944

8 0
3 years ago
Read 2 more answers
The ratio of money in Obi's wallet to Rudy's wallet one day was 5:2. Obi spent ?20 that day. Obi now had ?8 less than Rudy. How
BlackZzzverrR [31]

Answer:

  Altogether, they had ?28

Step-by-step explanation:

Had Obi spent only ?12, they would have been even. Thus ?12 is the same as 5-2 = 3 "ratio units". So, each "ratio unit" is worth ?12/3 = ?4.

Then Obi started the day with 5·4 = 20, and Obi started the day with 2·4 = 8. Obi ended with 0, which is 8 less than Rudy.

Altogether, they started with 20 + 8 = 28 of whatever a ? is.

8 0
4 years ago
Read 2 more answers
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