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3 years ago

Solve the equation by graphing the related function.

Mathematics

1 answer:

Triss [41]3 years ago

5 0

Answer:

Your graph is a parabola and needs to open down because the equation is negative. And your vertex is at (0,-4)

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Find the HCF of 126 and 420

melamori03 [73]

Answer:

Step-by-step explanation:

Find the prime factorization of 126

126 = 2 × 3 × 3 × 7

Find the prime factorization of 420

420 = 2 × 2 × 3 × 5 × 7

To find the GCF, multiply all the prime factors common to both numbers:

Therefore, GCF = 2 × 3 × 7

GCF = 42

3 0

3 years ago

Simplify the product using a table.

bearhunter [10]

The answer is b

i think , im not sure

6 0

3 years ago

What's bigger 9/10 or 4/5

ch4aika [34]

To be able to compare 2 fraciton we have to make common denominator and then we can just compare numerators.
$\frac{4}{5}= \frac{4*2}{5*2}= \frac{8}{10}$
Now we can compare numerator from the first (9) and from the second fraction (8)
9>8, so the bigger is 9/10

4 0

3 years ago

Read 2 more answers

Steven earns extra money babysitting. He charges $31.25 for 5 hours and $50 for 8 hours..

Maru [420]

$6.25 × h = c
h = hours, c = total cost

$31.25 for 5 hours. $6.25 per hour

$50 for 8 hours. $6.25 per hour

3 0

3 years ago

Which simplified fraction is equal to 0.1ModifyingAbove 7 with bar? StartFraction 9 Over 17 EndFraction StartFraction 8 Over 45

Kazeer [188]

Answer:

8/45

Step-by-step explanation:

Define x to be the value of your fraction:

$x=0.1\overline{7}\\\\10x=1.7\overline{7}\qquad\text{multiply by 10}\\\\10x-x=1.7\overline{7}-0.1\overline{7}=1.6\\\\x=\dfrac{1.6}{9}=\dfrac{8}{45}\qquad\text{divide by 9; put in lowest terms}$

____

When in doubt, you can use your calculator to see which fraction gives you 0.1777777778.

_____

We multiplied by 10^1 above, because there is 1 repeating digit. The power of 10 we use matches the number of repeating digits.

8 0

3 years ago