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2 years ago

Not sure how to do this. need help

Mathematics

1 answer:

alexdok [17]2 years ago

6 0

Answer:

a) 25/2 or 12.5

b) 78,125

c) 625

d) 30,517,578,125

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-5(3x-4)+4=114 answer

Aleks04 [339]

-5 * (3x - 4) + 4= 114

-15x +20 + 4 = 114

-15x = 114 - 24

-15x = 90

x = 90 : (-15)

x = -6

6 0

3 years ago

Read 2 more answers

Someone help me please

horrorfan [7]

Answer:

56.7

Step-by-step explanation:

6.3^2 * 9^2= 56.7

5 0

2 years ago

Can you help me find length bc please!!!!

masya89 [10]

Remark

You are dealing with a right angle triangle. You can use one of Sin(x) Cos(x) or Tan(x). Since the Hypotenuse is involved and since you are given the adjacent side, Cos(71) is what you will need.

Solution

H = BC

Cos(x) = adjactent / hypotenuse

Cos(71) = 6.3 / H Multiply both sides by H

H * Cos(71) = 6.3 Divide by Cos(71)

H = 6.3 / cos(71) Cos(71) = 0.32557

H = 6.3 / 0.32557 Divide

H = BC = 19.351 Answer

6 0

3 years ago

Fill in the blank:<br> vertical angles are _______ of angles that directly ______ to form each other

mart [117]

Vertical angles are non-adjacent angles that directly intersect to form each other

* hope that’s correct!

8 0

3 years ago

Eric randomly surveyed 150 adults from a certain city and asked which team in a contest they were rooting for, either North Hig

Romashka-Z-Leto [24]

Answer:

Step-by-step explanation:

A 95% confidence level interval will have 0.52 (lower interval) & 0.68 (upper interval) which means that that if 90 individuals root for North HS then p value is 0.6 which will fall in the 95% confidence interval range.
For the option B the p value will also be same as in case A hence B is true as an alternative hypothesis.
We can calculate P value

Confidence Interval = p ± z $\sqrt{p(1-p)/n}$

4 0

3 years ago