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2 years ago

Please answer quick

Mathematics

2 answers:

Svetradugi [14.3K]2 years ago

4 0

Answer:

9,850

Step-by-step explanation:

Sunny_sXe [5.5K]2 years ago

4 0

Answer:

9850

Step-by-step explanation:

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A mechanic gave a parts store a deposit of $25 toward the purchase of a part costing $89.95. How much does the mechanic still ow

Hunter-Best [27]

Answer:

25-89.95=64.95

Step-by-step explanation:

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3 years ago

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How many sixteenths are there in 7/8

umka2103 [35]

Answer:

14/16

Step-by-step explanation:

If you multiply 8 by 2 you get 16 so multiply 7 by 2 and you get 14/16

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2 years ago

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What is the value of x in the equation x + 10 = 13?

ValentinkaMS [17]

The answer is x=3 Your Welcome!

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2 years ago

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PLEASE HELPP I AM FAILING AND I NEED THIS ASAP!!! TYSM

Lana71 [14]

Answer:

See below for answers

Step-by-step explanation:

Do you mean $f(x)=2sin(x-1)$ or $f(x)=2sin(x) -1$ ?

Use the formula $f(x)=asin(bx+c)+d$ where $|a|$ is the amplitude, $-\frac{c}{b}$ is the phase shift, $d$ is the vertical shift, and the period is $\frac{2\pi}{|b|}$ .

Assuming your first case is true, the amplitude would be $|a|=|2|=2$ , your period is $\frac{2\pi}{|1|}=2\pi$ , and your midline/vertical shift is $d=0$ .

Assuming your second case is true, everything but the vertical shift stays the same. It would be $d=-1$ in this case.

5 0

2 years ago

Solve the equation 6w2 – 7w – 20 = 0.

azamat

For this case we have the following quadratic equation:

$6w ^ 2-7w-20 = 0$

Where:

$a = 6\\b = -7\\c = -20$

Its roots will be given by:

$w = \frac {-b \pm \sqrt {b ^ 2-4 (a) (c)}} {2 (a)}\\w = \frac {- (- 7) \pm \sqrt {(- 7) ^ 2-4 (6) (- 20)}} {2 (6)}\\w = \frac {7 \pm \sqrt {49 + 480}} {12}\\w = \frac {7 \pm \sqrt {529}} {12}\\w = \frac {7 \pm23} {12}$

The roots are:

$w_ {1} = \frac {7 + 23} {12} = \frac {30} {12} = \frac {15} {6} = \frac {5} {2}\\w_ {2} = \frac {7-23} {12} = \frac {-16} {12} = - \frac {8} {6} = - \frac {4} {3}$

Answer:

$w_ {1} = \frac {5} {2}\\w_ {2} = - \frac {4} {3}$

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2 years ago

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