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Softa [21]
3 years ago
15

Throught the year Janet took 4 math test; her average score was 90. If she scored a 95,90 and 85 on the first three tests, what

did she have to score on the final test to attain her average
Mathematics
1 answer:
jeka943 years ago
6 0
She had to make a 90 flat

hope this helps (;

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If a and b are rational numbers and 6/(3√2-2√3 ) = a √2-b √3 , then find the values of a and b.
eduard

Answer:

=3–√−13–√+1⋅3–√−13–√−1

=(3–√−1)23–√2−12

=3–√2+12−23–√3−1

=4−23–√2

2−13–√

a=2,b=−1.

Step-by-step explanation:

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3 years ago
How do you write 4(8m-7n)+6(3n-4m) in expanded form
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4(8m-7n)+6(3n-4m) =32m-28n+18n-24m=8m-10n


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3 years ago
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Drag each length to match it to an equivalent length. 2 yards 5 inches returned to choices list. 2 feet 8 inches4 yards9 feet2 y
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Answer:

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Step-by-step explanation:

Given length -

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6 0
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2 years ago
TIMED!!!
guajiro [1.7K]

Answer: Last option.

Step-by-step explanation:

The total amount of concrete in the ramp (V_t) will be the sum of the volume of the  rectangular prism (V_{rp}) and the volume of the triangular prism (V_{tp})

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The formulas are:

V_{rp}=lwh

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Where "l" is the lenght, "b" is the base and "h" is the height.

Substituting, we get:

V_t=V_{rp}+V_{tp}\\\\V_t=lwh+\frac{bhl}{2}\\\\V_t=(18in)(6in)(6in)+\frac{(8in)(6in)(18in)}{2}\\\\V_t=1,080in^3

4 0
2 years ago
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