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3 years ago

YO IS THIS RIGHT!??????? 12 POINNNTTTSS BOI

Mathematics

1 answer:

Amiraneli [1.4K]3 years ago

3 0

Click off the first one because 180 (Thea) < 225 (Eleanor). Then keep the second one and click the third and fourth one.

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How many cans of paint are needed to cover an area of 2200 square units if one can of paint covers in area 400 square units

sergij07 [2.7K]

Answer:

Step-by-step explanation:

You have a total area of 2,200 sq units to cover... and each can of paint covers 400 sq units. So, you'll need:

2200 sq units / 400 sq units/can = 5.5 cans

In such problems, we always round up, since you will need 5 full cans of paint, and half of a 6th can.

So, in total you will need 6 cans of paint to cover all 2,200 sq units.

5 0

4 years ago

whole milk is 4% butterfat how much skim milk with 0% butterfat should be added to 32 ounces of whole milk to obtain a mixture t

vivado [14]

Answer:

whole milk 4 ---------------- 32 ounces

skim milk 0 ---------------- x ounces

Mixture 2.5 ---------------- 32 + x ounces

4*32+0x =2.5(32 +x)

128+0x= 80+2.5 x

0 x + -2.5 x = 80 - -128

-2.5 x = -48

/ -2.5

x = 19.2

19.2 ounces of 0 % fat skim milk

4 0

3 years ago

Sam Squirrel gathered half the nuts for winter in July, one fourth in August, one-eighth in September. In Octoberhe gathered the

meriva

Answer:

The squirrel gathered 200 nuts altogether

Step-by-step explanation:

Please kindly see the attached files for explanation

7 0

3 years ago

What is the solution to the equation?

arlik [135]

Jessi work is correct. Everyone did the work correctly as far as the method but only Jessi’s work was correct because 6/12 = 1/2

YOUR ANNSWER IS B OR JESSI’S WORK.

6 0

3 years ago

Read 2 more answers

Determine all values of h and k for which the system S 1 -3x - 3y = h -4x + ky = 10 has no solution. k= ht

Lana71 [14]

Answer:

$h\neq 7.5$

k = -4

Step-by-step explanation:

Given system of equations are,

-3x-3y = h

-4x + ky = 10

We have to find the values of h and k such that system of equations has no solution.

The standard form of system of equation in two variables can be given by,

$a_1x+b_1y+c_1=0$

$a_2x+b_2y+c_2=0$

And condition for the system of equations has no solution is given by,

$\dfrac{a_1}{a_2}=\dfrac{b_1}{b_2}\neq \dfrac{c_1}{c_2}$

So, by comparing the standard form of equations with given equations, the condition such that system has no solution can be written as,

$\dfrac{-3}{-4}=\dfrac{-3}{k}\neq \dfrac{h}{10}$

$=>\dfrac{-3}{-4}=\dfrac{-3}{k}$

=> k = -4

and $\dfrac{-3}{-4}\neq \dfrac{h}{10}$

$=>\ \dfrac{-3\times 10}{-4}\neq h$

$=>\ h\neq \dfrac{30}{4}$

$=>\ h\neq 7.5$

So, the value of h and k for above given system of equations is

$h\neq 7.5$ and k = -4.

7 0

3 years ago