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masya89 [10]
3 years ago
13

92.3-(3.2 divided by 0.4) times 8

Mathematics
1 answer:
sp2606 [1]3 years ago
3 0

Answer:

28.3 that's the answer

Step-by-step explanation:

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∠a and ∠b are complementary angles. ∠a measures 32੦. What is the measure of ∠b?
Ganezh [65]

Answer:

b = 58

Step-by-step explanation:

Complementary angles add to 90 degrees.

a+b = 90

32+b = 90

Subtract 32 from each side

32+b-32 = 90-32

b = 58

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3 years ago
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What is the domain of a graph
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refers to the set of possible input values, the domain of a graph consists of all the input values shown on the x-axis. The range is the set of possible output values, which are shown on the y-axis.

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What is 20% as a fraction
vivado [14]

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1/5 is the fraction of 20%.

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2 years ago
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Integrate the following w.r.t x 1) 2x^2/3. <br>2) (5-x)^23<br>​
Kryger [21]

Answer:

A) \int\frac{2x^2}{3}dx=\frac{2x^3}{9}+C

B) \int(5-x)^{23}dx=-\frac{(5-x)^{24}}{24}+C

Step-by-step explanation:

A)

So we have the integral:

\int\frac{2x^2}{3}dx

First, remove the constant multiple:

=\frac{2}{3}\int x^2\dx

Use the power rule, where:

\int x^ndx=\frac{x^{n+1}}{x+1}

Therefore:

\frac{2}{3}\int x^2\dx\\=\frac{2}{3}(\frac{x^{2+1}}{2+1})

Simplify:

=\frac{2}{3}(\frac{x^{3}}{3})

And multiply:

=\frac{2x^3}{9}

And, finally, plus C:

=\frac{2x^3}{9}+C

B)

We have the integral:

\int(5-x)^{23}dx

To solve, we can use u-substitute.

Let u equal 5-x. Then:

u=5-x\\du=-1dx

So:

\int(5-x)^{23}dx\\=\int-u^{23}du

Move the negative outside:

=-\int u^{23}du

Power rule:

=-(\frac{u^{23+1}}{23+1})

Add:

=-(\frac{u^{24}}{24})

Substitute back 5-x:

=-(\frac{(5-x)^{24}}{24})

Constant of integration:

=-\frac{(5-x)^{24}}{24}+C

And we're done!

8 0
3 years ago
PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU B
Citrus2011 [14]

Answer:

a) Line M

b)Line M

c)y=1/2x+2

Step-by-step explanation:

a) Line M has a greater y-intercept since its y-intercept is at (0,2) while Line N's y-intercept is at (0,1)

b) Line M has a greater slope since its line is steeper

c) Use the formula y=mx+b

Use the points ( 0,1) and (-4,-1)

m(slope)= y2-y1/x2-x1

m= (-1-1)/(-4-0)

m=-2/-4

m=1/2

substitute

(0)=1/2(-4)+b

2=b(y-intercept)

y=1/2x+2

3 0
2 years ago
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