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3 years ago

Can some please please please please please help me with these problems I don’t even know this please help me

Mathematics

1 answer:

julsineya [31]3 years ago

4 0

14. It basically wants you to find how many 1/4 can fit into two. 1/4 x 8 =2. 8 servings can be made from 2 cups

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A bag contains 5 red cubes and 7 white cubes. Celinda will select one cube, put it in her pocket, and then select a second cube.

GenaCL600 [577]

Answer:

The expression which gives the probability that she will select two red cubes = 5/12 * 4/11 ....

Step-by-step explanation:

According to the statement there are 4 red cubes and 7 white cubes.

The total number of cubes are = 7+5 = 12

If she picks up one red cube then the number of ways of picking up red cubes out of 12 is = 5/12

If she picks up 2nd red cube then the number of ways of picking up 2nd red cube = 4/11

Therefore the expression which gives the probability that she will select two red cubes = 5/12 * 4/11 ....

4 0

3 years ago

What is the reciprocal of 100

ale4655 [162]

Answer:

0.01

Steps:

The definition of "reciprocal" is simple. To find the reciprocal of any number, just calculate "1 ÷ (that number)." For a fraction, the reciprocal is just a different fraction, with the numbers "flipped" upside down (inverted). For instance, the reciprocal of 3/4 is 4/3

8 0

4 years ago

Read 2 more answers

Evaluate 3 to the 2nd power + (8-2)•4-6/3

erma4kov [3.2K]

$3^{2}+(8-2)×4-6/3$

Always do what's in parentheses first:

$3^{2}+6×4-6/3$

Then do multiplication and division:

$9+24-2$

Then addition and subtraction last:

$9+24-2=31$

8 0

4 years ago

An irrigation system (sprinkler) has a parabolic pattern. The height, in feet, of the spray of water is given by the equation h(

jasenka [17]

9514 1404 393

Answer:

7.5 ft
32.5 ft, 5 ft
10.7 ft

Step-by-step explanation:

a) The starting height is h(0) = 7.5 feet, the constant in the quadratic function.

The irrigation system is positioned 7.5 feet above the ground

b) The axis of symmetry for quadratic ax^2 +bx +c is x = -b/(2a). For this quadratic, that is x=-10/(2(-1)) = 5. This is the horizontal distance to the point of maximum height. The maximum height is ...

h(5) = (-5 +10)(5) +7.5 = 32.5 . . . feet

The spray reaches a maximum height of 32.5 feet at a horizontal distance of 5 feet from the sprinkler head.

c) The maximum distance will be √32.5 + 5 ≈ 10.7 ft.

The spray reaches the ground at about 10.7 feet away.

3 0

3 years ago

Read 2 more answers

the water level in a lake was monitored and was noted to have changed −2 1/3 inches in one year. The next year it was noted to h

Ket [755]

-3 1/2

just add the fractions

Mark brainliest please

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3 years ago