3 years ago

Evaluate the expression 5x-y when x=2 and y=4

Mathematics

1 answer:

mariarad [96]3 years ago

5 0

Answer:

Step-by-step explanation:

5 times 2 (×) 10- 4(y)

when a varbile (letter) is besides then you multiply

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Answer is in the screenshot. Hope this helped!

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3 years ago

Is 2.8 greater than or less than 2.78? Pls answer

KengaRu [80]

2.8 is greater than 2.78 :)

If you look in the tens place and compare the two numbers, you will see that 8 is greater than 7. That’s how you know that 2.8 is greater than 2.78

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3 years ago

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Elizabeth brought a box of donuts to share. there are two-dozen (24) donuts in the box, all identical in size, shape, and col

34kurt

Jelly filled donut
$\frac{3}{24} = \frac{1}{8}$
Custard filled donut
$\frac{11}{24}$
After eating a jelly filled donut, total donut equals to 23, instead of 24.

Probability =
$\frac{1}{8} \times \frac{11}{23} = \frac{11}{184}$

Hope this helps. - M

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4 years ago

What is 39.5% written as a fraction in simplest form please help me please

Gekata [30.6K]

39.5 %
39.5 / 100
39 1/2 / 100
79/2 / 100
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3 years ago

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Evaluate 0.67y + 4 when y = 2 and when y = -2

jarptica [38.1K]

Answer:

2.66 and 4.34

Step-by-step explanation:

To evaluate, substitute the values of y and solve.

So, when y =-2

0.67y + 4 = -1.34 + 4 = 2.66

And when y = 2

0.67y + 4 = 1.34 + 4 = 4.34

Hope this helps.

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3 years ago

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