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3 years ago

Carmen is 153.95 cm tall. Marcus is 160.2 cm tall. Who is taller? By how much?

Mathematics

1 answer:

Rina8888 [55]3 years ago

7 0

Answer:

.marcus is taller by 6.25

Step-by-step explanation:

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Write this polynomial in standard form :8x^2 - 4x^3 + 12 - 5x

rodikova [14]

Hello from MrBillDoesMath

Answer: -4x^3 + 8x^2 -5x + 12

Discussion:

Standard for for a polynomial meas tne power of x descend so standard fro of

8x^2 - 4x^3 +12 -5x is

-4x^3 + 8x^2 -5x + 12

Note: the problem statements shows this ":8x^2". I didn't know how to deal with the ":" character so simply ignored it.

Thank you,

Mr. B

3 0

3 years ago

What is the value of z in the equation 2z + 6 = –4? (5 points) <br> 5 <br> 1 <br> –1 <br> –5

PtichkaEL [24]

The answer is -5. Hope this helps.

6 0

3 years ago

Read 2 more answers

Can anyone solve this for me?? I will give brainliest and 5 stars and thanks

Tcecarenko [31]

Answer:

3 cm

Step-by-step explanation:

When we enlarge or shrink an object, we perform a dilation. A dilation preserves the relationship between sides and the exact angle measure. This means the original and the enlargement are proportional and any missing lengths can be found through a proportion.

A proportion is an equation where two ratios or fractions are equal. The ratios or fractions compare like quantities. For example, we will compare height over length of the original rectangle to an equal ratio of height to length of the enlargement. Since we do not know height of the enlargement, we will use a variable to write:

$\frac{2}{9} =\frac{h}{13.5}$

I can now cross-multiply by multiplying numerator and denominator from each ratio.

$9h=2(23.5)\\19h=27$

I now solve for h by dividing by 9.

$\frac{9h}{9} =\frac{27}{9} \\h= 3$

The new height is 3 cm.

5 0

3 years ago

If a parallelogram has diagonals that are perpendicular bisectors of each other, what is the most descriptive name for it?

Feliz [49]

Both a rhombus and a rectangle have diagonals that are perpendicular bisectors, but the ones formed in a square are all congruent, so that is probably the most descriptive one.

6 0

4 years ago

Which of the following points could be the initial point of vector v if it has a magnitude of 10 an the terminal point (-1,5)?

Eddi Din [679]

Let the initial point of the vector be (x,y). Then the magnitude of the vector v can be written as:

$|v|= \sqrt{ (-1-x)^{2} + (5-y)^{2} }$

The magnitude of vecor v is given to be 10. So we can write:

$10= \sqrt{ (-1-x)^{2} + (5-y)^{2} } \\ \\ 100=(-1-x)^{2} + (5-y)^{2}$

Now from the given options, we have to check which one satisfies the above equation. That point will be the initial point of the vector.

The point in option d, satisfies the equation.

$100=(-1+7)^{2} +(5+3)^{2} \\ \\ 
100=36+64 \\ \\ 
100=100$

Thus, the answer to this question is option D

7 0

3 years ago