2 years ago

What is the measure of

Mathematics

1 answer:

JulijaS [17]2 years ago

8 0

Answer:

49°

Step-by-step explanation:

90 - 41 = 49

The angle shown is 90° so to figure out the second angle, subtract 41° from 90° to get the second angle.

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2. A faucet for a 30-gallon bathtub fills at a rate of 3 gallons per minute.

denis-greek [22]

Answer:

Step-by-step explanation:

Knowing that it is a 30-gallon bathtub.

And it fills at a rate of 3 gallons per minute.

But also drains 1.5 gallons per minute.

So this is for the first minute.

3 - 1.5 = 1.5

So there will be 1.5 gallons of water in the tub after the first minute.

Now do,

30 ÷ 1.5 = 20

It will take 20 full minutes for the bathtub to fill up.

6 0

2 years ago

I dont understand...please help

Deffense [45]

PQ because it is the two points that intersect in the two lines.

6 0

3 years ago

Explain how solve 4x + 3 = 7 using the change of base formula log base b of y equals log y over log b. Include the solution for

kvasek [131]

Answer:
x=1
Step-by-step explanation:
Given is an exponential equation

Subtract 3 from both the sides
We get

Taking log

=1

8 0

2 years ago

1. In the spring of 2017, the Consumer Reports National Research Center conducted a survey of 1007 adults to learn about their m

avanturin [10]

Answer:

The correct answer is "1668". A further solution is provided below.

Step-by-step explanation:

According to the question,

Estimated proportion,

$\hat{p} = \frac{574}{1007}$

$=0.57$

Margin of error,

E = 0.02

Level of confidence,

= 90%

= 0.90

Critical value,

$Z_{0.10}=1.65$

Now,

⇒ $0.02=1.65\times \sqrt{\frac{0.57\times 0.43}{n} }$

$0.0004=2.7225\times \frac{0.2451}{n}$

$n=\frac{2.7225\times 0.2451}{0.0004}$

$=1668.21$

or,

$n \simeq 1668$

5 0

3 years ago

How many times dose 18 go into 170

Leokris [45]

I think it is 10 because 18×10=180 but it is close hope this helps

7 0

3 years ago