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otez555 [7]
4 years ago
13

Math problem easy! Giving 40 points and brainly!!

Mathematics
1 answer:
alexandr1967 [171]4 years ago
5 0

Answer B the second one

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If Marie were to paint her living room alone, it would take 7 hours. Her sister Barbara could do the job in 8 hours. How many ho
Zielflug [23.3K]

Answer:

\sf\longmapsto \:  3.73 hours

Step-by-step explanation:

\sf\longmapsto \:  \frac{1}{7 } +  \frac{1}{8}

\sf\longmapsto \:  \frac{15}{56}

Now, Reciprocal–

\sf\longmapsto \:  \frac{56}{15}

\sf\longmapsto \:  3.73 hours

4 0
3 years ago
The number has 9 digits. the digit in the tenths place is the digit used to represent a half dozen. the digit in the tens place
laiz [17]
48,.842,610.6 is the number I would say. Sorry if I'm wrong.
8 0
3 years ago
How to g(x)=-3x+1 and g(10) I don't understand
Anton [14]
Easy, sub 10 for x
g(10)=-3(10)+1
g(10)=-30+1
g(10)=-29
8 0
4 years ago
Read 2 more answers
Which rate is the lowest price?<br> $5.60 for 8 <br> $4.80 for 6 <br> $4.50 for 5 <br> $0.75 each
Jet001 [13]

You can calculate percentages by first finding what 10% of a value is and then what 5 or 1% is. From there you can multiply to find multiples and then add to get the required percentage. The example below shows this.

<span>What is 35% of $40?<span>Step 1<span>What is 10% of $40?10% of $40 = $40 ÷ 10 =<span> $4</span></span><span>10% is a relatively easy percentage and can be found by<span> dividing by 10</span>.</span></span><span>Step 2<span>3 x $4 = $1230% of $40 = $12</span>30% is 3 times ( 3 x) 10% so we multiply what 10% of $40 is by 3</span><span>Step 3<span>What is 5% of $40?5% of $40 = $4 ÷ 2 =<span> $2</span></span><span>5% is half of what 10% is so divide what 10% is by 2 .</span></span><span>Step 4<span>What is 35% of $40?$12 + $2 = $14</span><span>Add what</span></span></span>
3 0
3 years ago
HELP PLEASE i need it asappppp
Lana71 [14]
Answer:
Angle 1 = Angle 2
Angle 3 = angle 4
Angle 5 = 106

5 is something similar but I don’t know the answers for sure Hope this helps a bit :D
4 0
3 years ago
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