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3 years ago

Describe two ways to compare a fraction and a decimal without using a number line.

1 answer:

8 0

You can compare them mentally! A fraction ia divided into 2 parts, however a decimal is not! Also the strategies you have to use are different. When finding the product/sum/quotient of a fraction you need to find a common denominator. But, with a decimal all you need to do is place the decimals correctly!

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What is -0.75 - (-2/3) +0.4 + (-3/4) =

liberstina [14]

Answer:

-0.43

Step-by-step explanation:

6 0

2 years ago

Read 2 more answers

40 POINTS AND BRAINLIEST

ladessa [460]

Answer:

120

Step-by-step explanation:

As x goes from 1 to 2, y increases by 4 from 4 to 8

As x goes from 2 to 3, y increases by 4 from 8 to 12

We increase by 4 each time

The formula for an arithmetic sequence is

an = a1+d(n-1)

where a1 is the first term which is 4

d is the common difference or the number we add each time which is 4

n is the term we are looking for which is 30

a30 = 4 +4 (30-1)

a30 = 4+4(29)

= 4+116

= 120

5 0

3 years ago

Read 2 more answers

What is the vertex of the graph of the function below? <br><br>y = x2 + 8x + 12

Vera_Pavlovna [14]

Hello,

$The\,\,formula\,\,for\,\,the\,\,vertex\,\,of\,\,a\,\,quadratic\,\,equation\,\,is: \\ V=( -\frac{b}{2a},f(-\frac{b}{2a}) )$

That means that we must first obtain x, then we replace x in the function to get y, so:

$x=- \frac{b}{2a} \\ \\ x=- \frac{8}{2*(1)} \\ \\ \boxed{x=-4} \\ \\ Reeplacing \,\,x: \\ y=(-4)^{2} +8*(-4)+12 \\ y=16-32+12 \\ \boxed{y=-4}$

Answer: V=(-4 , -4)

5 0

2 years ago

Simplify the radical expression. Please explain how you got your answer.<br><br> √25/4

astra-53 [7]

√25/4=5/2 because 5/2 times 5/2 equal 25/4. Hope it help!

6 0

3 years ago

How many different four-digit numbers can be formed with the numbers 7; 4; 5; 1; 2; 9; and 8?

Masja [62]

Answer:

If I'm correct, the answer is 1296.

Step-by-step explanation:

6 x 6 x 6 x 6 = 1296

7 0

2 years ago