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DaniilM [7]
3 years ago
13

Can someone help me with 5 to 8, please? With explanation

Mathematics
1 answer:
vekshin13 years ago
7 0

Answer:

5) 975 girls      6) $1440      7) $1000        8) 472

Step-by-step explanation: For 5, cross multiply \frac{x}{1500} and \frac{36}{100} to get 975 girls. Do the same for 6. For 7, it says that the television is $550, and it is only 55% of her savings. Therefore, to find her original amount, you will put 550 in the numerator and x in the denominator, and cross multiply 55/100 to get 1000. For 8, do the same thing, and put 354 for the numerator, x for denominator, 75/100 and cross multiply.

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Compare the decimals 18,011.1 and 18,111.01.
finlep [7]
18,011.1 = 18,011+\frac{1}{10}=18,011+\frac{10}{100} \\ 18,111.01 = 18,111+\frac{1}{100} = 18,011+100+\frac{1}{100}

18,111.01 \ \textgreater \ 18,011.1 because 100+\frac{1}{100}\ \textgreater \ \frac{10}{100} \iff 100 \ \textgreater \  1 \ \textgreater \  \frac{9}{100}.
4 0
3 years ago
write the standard form of the equation of the line described. through (-2,3), perpendicular to y=2/7x+5
Setler79 [48]
The general form of a linear equation is
y = mx + b
where m = slope and b = y-intercept
Here m = 2/7
To get to its perpendicular equation, first the slope should be negative reciprocal. So the perpendicular slope is m = -7/2
Given the point (-2,3), use the point-slope form equation, that is
y - y1 = m(x - x1)
Plug in
y - 3 = (-7/2)[x - (-2)]
y - 3 = (-7/2)x - 7
y = (-7/2)x - 7 + 3
y = (-7/2)x - 4
That is the equation required.
4 0
3 years ago
Solve the inequality -4&gt;-4 + h.<br> A. h&lt;0<br> B. h&gt;0<br> C. h&lt;3<br> D. h&gt; -8
k0ka [10]

Answer:

A. h>0

Step-by-step explanation:

8 0
3 years ago
There are 640 calories in 4 scoops of ice cream. At this rate, how many calories would there be in 9 scoops of ice cream?
lapo4ka [179]

Answer:

1,440 calories

Step-by-step explanation:

Divide 640 by 4 to get how many calories there are per scoop.

640 calories ÷ 4 scoops = 160 calories per scoop

Then, we can multiple 160 by 9 to get the calories in 9 scoops.

160 calories per scoop × 9 scoops = 1,440 calories per 9 scoops

7 0
2 years ago
Read 2 more answers
0.000028/(4x10^-4) = ?
Jlenok [28]

Answer:

i got 0.07

Step-by-step explanation:

if its wrong im sorry i got that

5 0
2 years ago
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