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3 years ago

6

80 points-matching quadrilateral properties worksheet- i don’t understand any of it can someone explain to me how to figure the

questions out and what they mean?

1 answer:

EastWind [94]3 years ago

8 0

Answer: for each shape its basically asking on the left side and on the write side are they equal hope that helps

Step-by-step explanation:

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Mr.Williams physical education class lasts 7/8 hour if instruciton is 1/5 how many minutes are not spent on instruction?

34kurt

= 7/8 − 1/5

= ((7 × 5) − (1 × 8)) / (8 × 5)

= (35 - 8) / 40

= 27/40

= 27/40

SO, 27/40 minutes are NOT spend on instructions.

Hope I helped:P

8 0

3 years ago

Read 2 more answers

Scores on a certain intelligence test for children between ages 13 and 15 years are approximately normally distributed with μ=10

Tju [1.3M]

Answer: 0.8238

Step-by-step explanation:

Given : Scores on a certain intelligence test for children between ages 13 and 15 years are approximately normally distributed with $\mu=106$ and $\sigma=15$ .

Let x denotes the scores on a certain intelligence test for children between ages 13 and 15 years.

Then, the proportion of children aged 13 to 15 years old have scores on this test above 92 will be :-

$P(x>92)=1-P(x\leq92)\\\\=1-P(\dfrac{x-\mu}{\sigma}\leq\dfrac{92-106}{15})\\\\=1-P(z\leq })\\\\=1-P(z\leq-0.93)=1-(1-P(z\leq0.93))\ \ [\because\ P(Z\leq -z)=1-P(Z\leq z)]\\\\=P(z\leq0.93)=0.8238\ \ [\text{By using z-value table.}]$

Hence, the proportion of children aged 13 to 15 years old have scores on this test above 92 = 0.8238

4 0

3 years ago

What is the slope of the line that passes through the points (-2, 7) and (2, -5)?

amm1812

Answer:-3

Step-by-step explanation:

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3 years ago

Terrell is moving boxes in a freight elevator. Each box weighs about 25 pounds. For safety reasons, a maximum of 600 pounds can

k0ka [10]

Answer:

x ≤ 15

Step-by-step explanation:

25x + 225 ≤ 600

Subtract 225 from both sides and get

25x ≤ 375

Divide 25 from both sides and you´ll get

x ≤ 15

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4 years ago

Simplify tan(arcsec 1)

Lady_Fox [76]

Answer:

0

Step-by-step explanation:

Arc sec(1)=0, tan(0)=0

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3 years ago