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zlopas [31]
3 years ago
5

Can i get some help please -2v(1-7v)+v-10

Mathematics
1 answer:
dsp733 years ago
5 0

Answer:

14v2-V-10

Step-by-step explanation:  you can look it up -for step by step

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Mikaela placed a frame around a print that measures 10 inches by 10 inches. The area of just the frame itself is 69 square inche
olchik [2.2K]

Answer:

1.5 in

Step-by-step explanation:

Let x be the width of the frame.

Side of print=10 in

Area of frame=69 square in

We have to find the width of the frame.

Side of frame=10+x+x=10+2x

Area of square=(side)^2

By using the formula

Area of print=10\times 10=100in^2

Area of frame with print=(10+2x)^2

Area of frame=Area of frame with print-Area of print

69=(10+2x)^2-100

(10+2x)^2=69+100=169

(10+2x)=\sqrt{169}=\pm 13

10+2x=13

Because Side is always positive.

2x=13-10=3

x=\frac{3}{2}=1.5

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3 0
3 years ago
Of the following expressions, which is equal to 6(√10)?
Inessa [10]

Answer:

sqrt(360)

Step-by-step explanation:

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8 0
3 years ago
Someone help me with number 1 and 2 please
adell [148]
1 is 25
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7 0
3 years ago
Anyone? Help ? Plz?❤️❤️
vesna_86 [32]

Answer:

C a dilation will always produce similar figures

Step-by-step explanation:

If the scale factor is  >1  then the figure will get larger

< 1  the figure gets smaller

=1 it is congruent

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3 0
3 years ago
The following data represent the muzzle velocity​ (in feet per​ second) of rounds fired from a​ 155-mm gun. For each​ round, two
Cloud [144]

Answer:

Step-by-step explanation:

A. Two measurements(AandB)are taken on the same round.\oIs there a difference in the measurement of the muzzle velocity between device A and device B at the α=0.01 level of significance? Note: A normal probability plot and boxplot of the data indicate that the differences are approximately normally distributed with no outliers.

B. Construct a 99% confidence interval about the population mean difference. Compute the difference as device A minus device B. Interpret your results. The confidence interval is (__,__)?

Answer:

Open chart in StatCrunch --- Stat --- T Stats --- Paired --- Enter values: Sample 1 = A, Sample 2 = B --- Click on Confidence Interval… and enter Level which is my #%. --- Compute

7 0
3 years ago
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