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Ludmilka [50]
3 years ago
5

Anna drove at a constant rate of 63 miles per hour for 3.2 hours. She determined she drove 201.6 miles. Which best explains the

reasonableness of Anna’s answer?
Mathematics
2 answers:
Hoochie [10]3 years ago
8 0

Answer:

She is determined she drove that many miles because 63 times 3.2 is 201.6

Step-by-step explanation:

Licemer1 [7]3 years ago
3 0
If you multiply 63 * 3.2, you get 201.6. If she drove at a constant rate then 201.6 is the correct answer! Hope this helps:)
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Let $r$ and $s$ be the roots of $3x^2 + 4x + 12 = 0.$ Find $r^2 + s^2.$ Pls help.
nirvana33 [79]

Answer:

-56/9

Step-by-step explanation:

By Vieta's formulas,

$r + s = -\frac{4}{3}$ and $rs = \frac{12}{3} = 4.$ Squaring the equation $r + s = -\frac{4}{3},$ we get

$r^2 + 2rs + s^2 = \frac{16}{9}.$ Therefore,

$r^2 + s^2 = \frac{16}{9} - 2rs = \frac{16}{9} - 2 \cdot 4 = -\frac{56}{9}}$

5 0
3 years ago
Solve the following equations for x : <br> g = c - x
ZanzabumX [31]

Answer:

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g = c - x \\ c - x = g \\  - x = g - c \\ x =  - g - c

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5 0
2 years ago
The price of a home is $120,000. The bank requires a 10% down payment and two points at the time of closing. The cost of the hom
rusak2 [61]

Answer:

The amount of the loan is $120,000 -10% + 2% = $110,400, assuming the "points" are added to the financed amount.

I find that the monthly payment will be

$848.89. There will be 360 such payments over 30 years, for a total payment amount of $30The amount of the loan is $120,000 -10% + 2% = $110,400, assuming the "points" are added to the financed amount.

R = Pi/[1 - (1+i)^(-n)] where

P = 110,400

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i = 8.5/[100(12)] = .007083...

n = 30(12) = 360 yielding

R = $848.88 per month.

Therefore, the total interest paid is 360(848.88) - 100,400.

5,600. Subtract the original principle (110,400) from that to get the interest paid.

hopes this helps :]

4 0
2 years ago
its back to school time and fred wants to buy sneakers. the sneakers cost $57 and he has 52.80$ in the bank. he also has seven q
Andrew [12]

$1.78 is your answer

5 0
3 years ago
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Determine if the lim f(x) exists using the graph below.. If it does, find its value. If it does not,x 1explain why
Leno4ka [110]

The limit of a function f at a point a exists if:

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Also,

\begin{gathered} \text{ From the given image, the value of the right limit of f at x=1 } \\ \lim_{x\to a^+}f(x)\gt1 \end{gathered}

Therefore,

\lim_{x\to1^-}f(x)\lim_{x\to1^+}f(x)

Hence, the limit does not exist

8 0
11 months ago
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