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NNADVOKAT [17]
4 years ago
9

Factor the trinomial below x^2-13x+40

Mathematics
1 answer:
sdas [7]4 years ago
7 0

Answer:

(x - 8)(x - 5)

Step-by-step explanation:

Which two numbers multiply to 40 and add to -13?

-8 and -5

Rewrite the expression:

(x - 8)(x - 5)

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I am in middle school
Svetlanka [38]

Answer:x\geq35/2

Step-by-step explanation:

4x-5\geq65

4x-5+5\geq65+5

4x\geq70

4x/4\geq 70/4

x\geq35/2

8 0
3 years ago
A bike rental is $20 for a day and $3 for an hour. Caroline rented a bike for 2 days and 2 hours. Write and equation you could u
wolverine [178]

Answer:

M = 20(2) + 3(2) = $46

Step-by-step explanation:

Here, we want to write an equation that could be used to find the amount of money spent

The rental charges $20 for a day and $3 for an hour

For 2 days, amount is 2 * 20 = $40

for 2 hours , amount is 3 * 2 = $6 hours

The amount Spent M will be;

M = 20(2) + 3(2) = $46

8 0
3 years ago
Question: Another company offers a rate of $0.05 per minute. How would you find the unit rate per hour?
irga5000 [103]


0.05/1 min * 60 min = 0.05 * 60 = 3

<em>Therefore, the unit rate per hour is $3.</em>

8 0
3 years ago
Write y=x^2+24x+124 in vertex form. step by step
soldi70 [24.7K]

Step-by-step explanation:

the general vertex form is

y = a(x - h)² + k

with (h, k) being the vertex of the curve.

after doing all the multiplications we get

y = a(x² - 2hx + h²) + k = ax² - 2ahx + ah² + k

now we have

y = x² + 24x + 124

and we can compare

ax² = x²

a = 1

-2ahx = -2hx = 24x

-2h = 24

h = 24/-2 = -12

ah² + k = 124

(-12)² + k = 124

144 + k = 124

k = -20

so, the vertex form is

y = (x + 12)² - 20

3 0
3 years ago
Is this always true, sometimes true, or never true?
IRINA_888 [86]

Answer:

This statement is sometimes true

7 0
2 years ago
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