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3 years ago

Mariah wanted to make cookies for her family but needed to reduce the recipe. The original recipe required five cups of

Mathematics

2 answers:

Arlecino [84]3 years ago

7 0

Answer: 1.2 cups

Step-by-step explanation:

The original ratio is 5/2, which is 2.5 in decimal form. Just plug in numbers for the 3/x ratio. 3/1.2 equals 2.5.

Hope this helps! Please make me brainliest! :)

Yakvenalex [24]3 years ago

4 0

Set up a ratio 3 cups of flour / 5 cups of flour = x cups of sugar/ 2 cups of sugar.

Cross multiply:

(3x2) / 5x = 6 = 5x

Divide both sides by 5

X = 6/5 cups of

B. Setting up a ratio calculates the proper amount of ingredients

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What is the slope of a line that contains the point(-5,4) and has a x intercept of -10?

Naddika [18.5K]

Answer:

$\frac{4}{5}$

Step-by-step explanation:

Based on the information given we can say the two points are (-5, 4) and (-10, 0). An x-intercept is where the line crosses the x-axis giving us a y value of 0.

So, we will use the following formula, where m is equal to the slope.

$m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

Now we will plug in the x and y values given above, (-5, 4) and (-10, 0).

$m=\frac{0-4}{-10+5}\\ m=\frac{-4}{-5}\\ m=\frac{4}{5}$

Note: In the denominator of the first line, the -5 was changed to a 5 because in the original equation, we are told to subtract. When you have two negatives they cancel each other out.

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3 years ago

Take a look at the pics and help me please

Olenka [21]

you can look at the above photo

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3 years ago

are the expression -7 + -2 and -7 - 2 equivalent why or why not? include the solutions for each expression for full credit

Hatshy [7]

Answer:

Yes, they are both equal.

Step-by-step explanation:

This is because in both cases, you are subtracting, -7 + -2 = -9. -7 - 2 = -9.

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3 years ago

Of all the species in the world, 4 out of every 5 are insects what percentage of species are insects

Fiesta28 [93]

Answer:

80%

Step-by-step explanation:

So you basically, just make it a ratio. Since a percentage is out of 100, just make the 5 into 100. To get 5 to 100, you times 20. Then you do the same thing to the 4 which you get 80.

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3 years ago

ASAP thank you Thank everyone

Sholpan [36]

Answer:

she worked a total of 20 hours

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3 years ago

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