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3 years ago

Im in fifth grade and i am trying to. Figure out how to do this 2 1/4 x 4 1/2 can you plz help.

Mathematics

2 answers:

Tresset [83]3 years ago

6 0

6 6/8 I think. Good luck on the rest of your homework

prisoha [69]3 years ago

3 0

6 6/8 hope. this helped

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What is the value of x^2 - 3y + 5x + 2 whenx = 7 and y = 4?

PilotLPTM [1.2K]

Answer:

Step-by-step explanation:

$x^2 - 3y + 5x + 2 \\ \\ = {7}^{2} - 3(4) + 5(7) + 2 \\ \\ = 49 - 12 + 35 + 2 \\ \\ = 74$

4 0

3 years ago

The table shows values for functions f(x) and g(x) .

Bas_tet [7]

Answer:

There is no correct answer

Step-by-step explanation:

4x+20

2x+6

4x+20=2x+6

4x–2x=6–20

2x=–14

x=–7

5 0

3 years ago

Please hurry simplify the problem a i b 5i c -i

KIM [24]

Answer:

$\frac{90}{5} i$

Step-by-step explanation:

10 * sqrt(81/25 * -1) = 10 sqrt(81/25) * sqrt(-1) = 10 *9/5 * i

5 0

3 years ago

the density of a certain material is such that weighs 6900 grams for every 4.5 quarts of volume express this density in pounds p

dlinn [17]

Answer:

$d=101.4\ \text{pounds}/\text{feet}^3$

Step-by-step explanation:

Given that,

Mass of material, m = 6900 grams

Volume of the material, V = 4.5 quarts

We need to find the density in pounds per cubic foot

We know that,

1 pound = 453.59 grams

⇒ 6900 grams = 15.21 pounds

Also, 1 cubic foot = 29.92 quarts

4.5 quart = 0.15 feet³

Density = mass/volume

$d=\dfrac{15.21\ \text{pounds}}{0.15\ \text{feet}^3}\\\\d=101.4\ \text{pounds}/\text{feet}^3$

Hence, the density of the material is $101.4\ \text{pounds}/\text{feet}^3$

3 0

3 years ago

Does the order in which the two transformations in a composite transformation affect the final

kap26 [50]

The order in which the two transformations in a composite transformation affect the final answer

<h3>How to determine the composite transformation?</h3>

To determine if order matters or not, I will use the following example and illustration.

Let the coordinate of point A be:

A = (2, 5)

Perform the following transformations:

Translate by (x, y + 1)
Dilate by a scale factor of 2

First order: Translation before dilation

The translation by (x, y + 1) would give:

A' = (2, 5 + 1)

A' = (2,6)

The dilation by a scale factor of 2 would give

A" = 2 * (2,6)

A" = (4,12)

Second order: Dilation before translation

The dilation by a scale factor of 2 would give

A' = 2 * (2,5)

A' = (4,10)

The translation by (x, y + 1) would give:

A'' = (4, 10 + 1)

A'' = (4,11)

See that the final coordinates in both orders are not the same.

Hence, the order in which the two transformations in a composite transformation affect the final answer