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Ksju [112]
3 years ago
7

SOMEONE HELP FOR 15 POINTS

Mathematics
1 answer:
zheka24 [161]3 years ago
7 0

Answer:

Step-by-step explanation:

Hint:

a² - 9a + 15  = (a-7)(a-2)

a² + 9a + 15  = (a+7)(a+2)

a² + 3a - 10 = (a-2)(a+5)

a² + 5a - 14 = (a-2)(a+7)

a² - 5a - 14 = (a-7)(a+2)

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Pls help will give brainlest to first person who answer correct 50 points
Likurg_2 [28]

Answer:

-25/3

Step-by-step explanation:

Please let me know if you want me to add an explanation as to why this is the answer/how I got this answer. I can definitely do that, I just wouldn’t want to write it if you don’t want me to :)

3 0
3 years ago
Read 2 more answers
A worker bee has a mass of 0.00011 \text{ kg}0.00011 kg0, point, 00011, start text, space, k, g, end text.
xenn [34]

Answer:

Answer:

1). Option (A)

2). Option (A)

Step-by-step explanation:

1). A worker bee has the mass = 0.00011 kg

  In scientific notation we can convert the mass of bee as,

  0.00011 =

                =

  Since 1.1 ≈ 1,

  Therefore, 1.1 × 10⁻⁴ ≈ 1 × 10⁻⁴ kg

  Option (A) is the answer.

2). An African elephant has a mass = 8139 kg

   In scientific notation,

   8139 = 8.139 × 10³

   Since, 8.139 ≈ 8

   Therefore, 8139 kg = 8.139 × 10³ kg

   Option (A) is the answer.

Step-by-step explanation:

4 0
3 years ago
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The Empire State building in New York City is approximately 1250 ft1250 ft tall. How many U.S. dimes would be in a stack of the
igomit [66]

Answer:

It is necessary to stack 277778 dimes

Step-by-step explanation:

The height of the Empire State building in meters is   1250 * 0,30  = 375 meters. In mm such height  is 375 * 1000 = 375000 mm

Finally  375000 / 1,35 =  277778

6 0
3 years ago
Complete the square for the expression, then factor the trinomial.
astraxan [27]

Answer:

x {}^{2}  - 4x \\  = x(x - 4)

3 0
3 years ago
if the sales tax in your city is 6.1%, and an item costs $167 before tax, how much tax would you pay on that item?
Kryger [21]
167x.061=  $10.19+167= $177.19
8 0
3 years ago
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