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3 years ago

Help, please I forget what to do :(

Mathematics

2 answers:

Annette [7]3 years ago

7 0

Answer:

The answer is 9.

I used a calculator, I recommend Algebra Calculator MathPapa

finlep [7]3 years ago

4 0

Answer:

Step-by-step explanation:

hope this helps (and maybe i can even get brainly lol)

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A vector has an x-component of −24.5 units and a y-component of 31.5 units. Find the magnitude and direction of the vector.

jasenka [17]

we are given a vector

whose

x-component is -24.5

so, $v_x=-24.5$

y-component is 31.5

so, $v_y=31.5$

Magnitude:

we can use formula

$|v|=\sqrt{(v_x)^2+(v_y)^2}$

we can plug values

$|v|=\sqrt{(-24.5)^2+(31.5)^2}$

$|v|=39.90614$

Direction:

we can use direction formula

$\theta=tan^{-1}(\frac{v_y}{v_x})$

now, we can plug values

$\theta=tan^{-1}(\frac{31.5}{-24.5})$

$\theta=180-52.12$

$\theta=127.88$ ................Answer

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3 years ago

Chris has 4.05 pounds of cat food. He uses 0.27 pound of cat food to feed one cat. How many cats can Chris feed with the cat foo

Tanya [424]

0.27x=4.05
divide both sides by 0.27
x=15 cats

7 0

3 years ago

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Can someone check this answer before i turn it in?? don't say yes just to get points i really need to pass this

VARVARA [1.3K]

Answer:

ya its right

Step-by-step explanation:

4 0

3 years ago

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What is the most precise name for a regular polygon with four right angles?

Vladimir79 [104]

Answer:

a square

Step-by-step explanation: because a square has all four right angles and also a square can turn into a rectangle, but a rectangle can't turn into a square.

4 0

3 years ago

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According to the 2010 census data, the population of Texas was about 2.5 x 107 people. The land area of Texas is about 2.6 x 105

gogolik [260]

Answer:

249037470.178 peoples per mi^2

Step-by-step explanation:

Given :

Population of Texas = $2.5 × 10^7$ peoples

Land area of Texas = $2.6 × 10^5 m^2$

Converting area into $mi^2$

Area = 0.1003865 $mi^2$

$Average people per square mile = \frac{Total number of peoples}{Total area}$

Average people per square mile = $\frac{25000000}{0.1003865}$

Average people per square mile = 249037470.178 peoples per mi^2

4 0

3 years ago