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kap26 [50]
3 years ago
12

PLZ HELP

Mathematics
2 answers:
denpristay [2]3 years ago
7 0

Answer:

C

Step-by-step explanation:

The rate of change of a function in the closed interval [ a, b ] is

\frac{f(b)-f(a)}{b-a}

Here [ a, b } = [ 0, 4 ]

From the graph

f(b) = f(4) = 75 and f(a) = f(0) = 15, thus

average rate of change = \frac{75-15}{4-0} = \frac{60}{4} = 15

antoniya [11.8K]3 years ago
5 0

Answer:

the other person is right!!! The answer is C.

Step-by-step explanation:

I took the test and got it right

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(Law of Sines)
Mariana [72]

Answer:

Option (D) is correct.

Step-by-step explanation:

In a triangle BCD , with b, c, d as the sides of triangle.

Sine rule states when we we divide side b by the sine of angle B then it is equal to side c divided by the sine of angle C and also equal to side d divided by the sine of angle D.

Using Sine rule,

\frac{b}{\sin B}=\frac{c}{\sin C}=\frac{d}{\sin D}

Consider the first and third ratio,

\frac{b}{\sin B}=\frac{d}{\sin D}

Substitute the values of d = 3 , b= 5 and ∠D=25°

\Rightarrow \frac{5}{\sin B}=\frac{3}{\sin 25^{\circ}}

\Rightarrow \sin B=\frac{\sin 25^{\circ} \times 5}{3}}  

 \Rightarrow \sin B=45,135

Thus, Measure of angle B is 45 and 135 as sinB is positive is first and 2nd quadrant.

Thus, option (D) is correct.


7 0
3 years ago
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Solve d + (-d)<br><br> A. -2d<br> B. 0<br> C. d<br> D. 2d
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Answer:

B. 0

Step-by-step explanation:

=>d+(-d)

=>d-d

=>0

6 0
3 years ago
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elena-14-01-66 [18.8K]

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Step-by-step explanation:

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2 years ago
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Christina took $20 with her to the movies. She spent $18, then Meredith gave her $10 that she owed her, and finally she spent $8
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Print
vladimir1956 [14]

Answer:

Inequality: 0.08x + 2300 ≥ 2800

Liz needs to sell products of $6250 at least.

Step-by-step explanation:

Given that:

Per month salary of Liz = $2300

Commission = 8% = \frac{8}{100}} = 0.08

Amount Liz wants to earn = $2800

Let,

x be the amount of sales.

0.08x + 2300 ≥ 2800

0.08x ≥ 2800 - 2300

0.08x ≥ 500

Dividing both sides by 0.08

\frac{0.08x}{0.08}\geq \frac{500}{0.08}\\x\geq 6250

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Liz needs to sell products of $6250 at least.

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2 years ago
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