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Luba_88 [7]
4 years ago
12

4x^2 20x 25=0 factor

Mathematics
1 answer:
nika2105 [10]4 years ago
5 0
4x^2 + 20x + 25 = 0
4x^2 + 10x + 10x + 25 = 0
2x(2x + 5) + 5(2x + 5) = 0
(2x + 5)(2x + 5) = 0
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Write answer as a decimal or whole number :)<br><br> What % of $89.50 = $39.38<br><br> 20 points
solmaris [256]
44% of 89.50 = 39.38
7 0
3 years ago
Write Equivalent Fractions
Viktor [21]

Answer:

Step-by-step explanation:

Find equivalent fractions. Enter a fraction, mixed number or integer to get fractions that are equivalent to your input. Example entries:

Fraction - like 2/3 or 15/16

Mixed number - like 1 1/2 or 4 5/6

Integer - like 5 or 28

What are Equivalent Fractions?

Equivalent fractions are fractions with different numbers representing the same part of a whole. They have different numerators and denominators, but their fractional values are the same.

For example, think about the fraction 1/2. It means half of something. You can also say that 6/12 is half, and that 50/100 is half. They represent the same part of the whole. These equivalent fractions contain different numbers but they mean the same thing: 1/2 = 6/12 = 50/100

How to Find Equivalent Fractions

Multiply both the numerator and denominator of a fraction by the same whole number. As long as you multiply both top and bottom of the fraction by the same number, you won't change the value of the fraction, and you'll create an equivalent fraction.

Example Equivalent Fractions

Find fractions equivalent to 3/4 by multiplying the numerator and denominator by the same whole number:

34×22=68

34×33=912

34×44=1216

34×55=1520

34×66=1824

Therefore these are all equivalent fractions:

34=68=912=1520=1824

Note that if you reduce all of these fractions to lowest terms, they equal 3/4.

For additional fraction help see our Fractions Cal

3 0
3 years ago
you are making curtains by alternating strips of solid colored fabric and patterned fabric. the solid colored fabric costs 99¢ p
weeeeeb [17]
Hello, 

to find the total cost (c) of the colored strips we have to multiply the number of strips (n) by the cost of each color strip (99¢), that as an algebraic function is:

\boxed{c= n*99} [¢]

Now, if we use 3 solid color strips, that means that we use 4 patterned strips, so:

Cost=3*0.99+4*1.25 \\ \boxed{Cost= 7.97}

Answer: c=n*99   and   Cost per curtain= $7.97
4 0
3 years ago
Find the equation of the line which is parallel to y = 4x + 3 and goes through the point (4, 5)​
skad [1K]

Answer:

  • y = 4x - 11

Step-by-step explanation:

The given line has a slope m = 4.

We know parallel lines have equal slopes.

<u>Use point - slope equation and substitute the coordinates of the given point to get:</u>

  • y - 5 = 4(x - 4)
  • y - 5 = 4x - 16
  • y = 4x - 16 + 5
  • y = 4x - 11
7 0
3 years ago
25 points plus will mark brainliest!!!<br><br>Find angle ABD.<br>​
Sloan [31]

Step-by-step explanation:

Remember that angles in the same segment are equal.

In here, AD is the segment, which means that angle ACD = angle ABD = 28°.

5 0
3 years ago
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