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babymother [125]
3 years ago
5

At 6:00 a.m., the temperature was -3º. Five hours later the temperature was 20° warmer. What was the temperature a

Mathematics
1 answer:
Katen [24]3 years ago
7 0

Answer:

A

Step-by-step explanation:

-3 + 20 = 17 degrees

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Solve the system of inequalities:<br> 6y≥42<br> 4y+12≤0
Hatshy [7]

Answer:

no solution

Step-by-step explanation:

6y≥42

Divide each side by 6

6y/6≥42/6

y≥7

Then solve the second one

4y+12≤0

Subtract 12 from each side

4y+12-12≤0-12

4y ≤-12

Divide each side by 4

4y/4 ≤-12/4

y ≤-3

There is no solution since there is no overlap

8 0
3 years ago
There are 63 students in a speech contest.Yesterday 1/3 gave a speech and today 2/3 of the remaining students gave their speech.
Paraphin [41]

Hey!

-----------------------------------------------

Solution:

Find 1/3 of 63.

63 / 3 = 21

21 students gave a speech today.

63 - 21 = 42

Find 2/3 of 42.

42 / 3 = 14

14 x 2 = 28

28 of the remaining students gave their speeches.

42 - 28 = 14

-----------------------------------------------

Answer:

14 students haven't given their speeches!

-----------------------------------------------

Hope This Helped! Good Luck!

7 0
3 years ago
The area of a circle is 132.7 square cm. Find the diameter.
Julli [10]

Answer:

The diameter of the circle is 13.

6 0
3 years ago
Read 2 more answers
Finding an Equation of a Tangent Line In Exercise, find an equation of the tangent line to the graph of the function at the give
solmaris [256]

Answer:

x=5y

Step-by-step explanation:

We are given that  

g(x)=log_{10}(2x)

Point(5,1)

g(x)=\frac{ln(2x)}{log10}

By using property

log_x y=\frac{lny}{lnx}

We have to find the equation of tangent line to the given graph.

Differentiate w.r.t x

g'(x)=\frac{1}{2xlog 10}\times 2

By using the formula

\frac{d(lnx)}{dx}=\frac{1}{x}

\frac{dy}{dx}=\frac{1}{xlog 10}

We know that Log 10=1

m=g'(x)=\frac{1}{x}

Substitute x=5

m=\frac{1}{5}

Point-slope form

y-y_1=m(x-x_1)

By using this formula

y-1=\frac{1}{5}(x-5)

5y-5=x-5

x-5y=-5+5=0

x=5y

Hence, the equation of tangent line to the graph

x=5y

7 0
3 years ago
Solve for x with a degree of 30 &amp; side of 300ft
tankabanditka [31]

Answer:

x = 100√3


Step-by-step explanation:

tan(30º) = x/300

x = 300 tan(30º)

x = 300/√3

x = 100√3

3 0
4 years ago
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