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3 years ago

Is QRS a right triangle? Why or why not?

Mathematics

2 answers:

blondinia [14]3 years ago

7 0

The answer is C I hope

Yuliya22 [10]3 years ago

4 0

Answer:

Step-by-step explanation:

Using Pythagoras' identity to determine if the triangle is right

The square of the longest side should equal the sum of the squares on the other 2 sides, that is

QS² = RS² + QR² = 8² + 5² = 64 + 25 = 89 ( take the square root of both sides )

QS = $\sqrt{89}$

Δ QRS is not right as QS would have to be $\sqrt{89}$

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Graph the equation by plotting three

LuckyWell [14K]

Step-by-step explanation:

Even two points are enough to plot a line. Just pick two points (x1,y1), (x2,y2) that satisfy the equation 2y=3x+11, for example x=1,y=7 and x=0,y=5.5.

Then plot them on the plane, and connect the two dots to get your line.

6 0

4 years ago

You deposit $300 in a savings account that pays 6% interest compounded semiannually. How much will you have at the middle of the

Otrada [13]

Answer:

Please check the explanation.

Step-by-step explanation:

a) How much will you have at the middle of the first year?

Principle P = $300

Annual rate r = 6% = 0.06 per year

Compound n = Semi-Annually = 2

Time (t in years) = 0.5 years

Total amount = A = ?

Using the formula

$A\:=\:P\left(1+\frac{r}{n}\right)^{nt}$

substituting the values

$A=300\left(1+\frac{0.06}{2}\right)^{\left(2\right)\left(0.5\right)}$

$A=300\cdot \frac{2.06}{2}$

$A=\frac{618}{2}$

$A=309$ $

Therefore, the total amount accrued, principal plus interest, from compound interest on an original principal of $ 300.00 at a rate of 6% per year compounded 2 times per year over 0.5 years is $ 309.00.

Part b) How much at the end of one year?

Principle P = $300

Annual rate r = 6% = 0.06 per year

Compound n = Semi-Annually = 2

Time (t in years) = 1 years

Total amount = A = ?

Using the formula

$A\:=\:P\left(1+\frac{r}{n}\right)^{nt}$

so substituting the values

$A\:=\:300\left(1+\frac{0.06}{2}\right)^{\left(2\right)\left(1\right)}$

$A=300\cdot \frac{2.06^2}{2^2}$

$A=318.27$ $

Therefore, the total amount accrued, principal plus interest, from compound interest on an original principal of $ 300.00 at a rate of 6% per year compounded 2 times per year over 1 year is $ 318.27.

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3 years ago

Part A: What is the s-intercept, and what does it represent in this situation? What is the t-intercept, and what does it represe

dusya [7]

Part A: The s-intercept is (0,6). The s-intercept represents the amount of shirts sold in the hundreds. There t-intercept in this problem. And Since there is no t-intercept, t represents the year of 2000

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Part C: The average rate of change is 0.333333 over a distance of 6.32456.

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3 years ago

What's 2 1/8 - 1 7/8<br><br><br>

ankoles [38]

Answer:

1/4 or 0.25

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2 years ago

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3 years ago