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3 years ago

Can someonee help asapppp tysmmm <3333

Mathematics

1 answer:

SCORPION-xisa [38]3 years ago

4 0

Answer:

Tens.

Step-by-step explanation:

Tens is the first place after the decimal.

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Choose the equation below that represents the line that passes through the point (-2, -1) and has a slope of 5.

Rus_ich [418]

Hello,
y+1=5(x+2)
==> answer B

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3 years ago

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The endpoints of CD are C(6, 1) and <br> D(-4, -1). Find the midpoint M of CD.

Ksju [112]

Answer:

(1, 0)

Step-by-step explanation:

I can't really explain it on here with it making sense but just plug in the numbers into the formula and it should be easy from there

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3 years ago

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A tree costs a shadow 42 feet long. At the same time, a person 5 feet tall costs a shadow 7 feet long. What is the height of the

laila [671]

30 feet because if you do the math 42 feet as the height and 5 and 7 as a base you should get 30

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3 years ago

Pleaseeee helppp i need help with this

Papessa [141]

Answer:

The bearing of B from C is 22° counterclockwise

Step-by-step explanation:

∠CAB = 210 - 90 = 120°

Extend a line from A to the west.

drop a perpendicular line from that line to point C.

Let's call the point at the perpendicular point, M.

∠MAC = 180° - 120° = 60° because they are supplementary.

Now we have a right ∠CMA with a known hypotenuse and a known angle.

Solve for MA:

cos 60° = MA/3.8 = 1.9

Solve for MC:

sin 60° = MC/3.8 = 3.29

MB = 1.9 + 6.4 = 8.3

tan ABC = 3.29/8.3 = 21.62°

3 0

3 years ago

A farmer claims that the average mass of an apple grown in his orchard is 100g. To test this claim, he measures the mass of 150

Blizzard [7]

Answer:

C. At the 0.01 level of significance, the mean mass of the apples grown in the farmer's orchard is different from 100g.

Step-by-step explanation:

The null hypothesis is:

$H_{0} = 100$

Because of the claim of the farmer.

The alternate hypothesis is:

$H_{1} \neq 100$

The alternate hypothesis tests the farmer's claim at a significance level.

The results are calculated to be statistically significant at the 0.01 level.

This means that at the 0.01 level, the null hypothesis is rejected, that is, the mean mass of the farmer's orchard is different from 100. Since it is significant at the 0.01 level, it will be significant at the 0.05, 0.1, and increasing levels. So the correct answer is given by option C.

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3 years ago