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3 years ago

5

The smith family's car needed 4.2 gallons of gasoline to drive a distance of 150 miles. nbased on this information, determine th

e average gas mileage their vehicle is capable of as an expression of miles per gallon

1 answer:

Zina [86]3 years ago

8 0

hmm. ill try to work it out. try searching it up on you tube or something

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Yolanda used a reconciliation worksheet provided by her bank. Line 5 should equal line 6 at the end of the reconciliation, but i

forsale [732]

Answer is 19.99 dollars

Explanation:

Let us draw the reconciliatin done by Yolanda linewise

Banking reconciliation Worksheet Amount of Mega

1) Closing balance $ 345 89

2) the sum of any outstanding deposits or credits. 0.00

3) Sum of 1 and 2 345.89

4. sum of any outstanding checks or debits. $ 37 51 5.

5) (3)-(4) $ 308 38

6) checkbook balance. $ 328 37

7) Difference (6)-(5) $ 19.99

SInce difference is exactly 19.99 dollars Yolanda should look for the amount 19.99 dollars to find a solution to the problem i.e. to see the reason for the difference between lines 5 and 6

4 0

3 years ago

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Calculate the value of 4x2 + xy when x = 3 and y=-2.

Alchen [17]

Answer:

Step-by-step explanation:

4x squared + xy

4x(4x) + xy

12(12) + 3 x 2

144 + 6

= 150

4 0

3 years ago

brilliants [131]

Answer:

The answer to your question is: midsegment = 35 units

Step-by-step explanation:

Use the Thales' theorem

$\frac{3x + 55}{6x + 5} = \frac{86}{43} \\$

43( 3x + 55) = 86( 6x + 5)

129x + 2365 = 516x + 430

129x - 516x = 430 - 2365

-387x = -1935

x = -1935 / -387

x = 5

Midpoint length = 6(5) + 5

= 30 + 5

= 35 units

8 0

3 years ago

The length of a piece of lumber is 6.5 meters. How many centimeters is this?

zalisa [80]

The answer to your question:

6.2 meters is 650 centimeters.

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3 years ago

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Double angle identity. Just 5 questions. Really need help as my teacher has been frustrated with me

BartSMP [9]

The double angle identities are

$\sin(2x)=2\sin x\cos x$

$\cos(2x)=\cos^2x-\sin^2x$

Then

$2\sin\dfrac\pi6\cos\dfrac\pi6=\sin\left(\dfrac{2\pi}6\right)=\sin\dfrac\pi3$

$\cos^2\dfrac\pi{10}-\sin^2\dfrac\pi{10}=\cos\left(\dfrac{2\pi}{10}\right)=\cos\dfrac\pi5$

The second identity together with the Pythagorean identity, $\sin^2x+\cos^2x=1$ , gives us another equivalent expression:

$\cos^2x-\sin^2x=\cos^2x-(1-\cos^2x)=2\cos^2x-1$

so

$2\cos^2(0.5)-1=\cos(2\cdot0.5)=\cos1$

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3 years ago

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