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chubhunter [2.5K]
2 years ago
11

Multiply (3x – 1)(5x – 9) Show work Please

Mathematics
2 answers:
Virty [35]2 years ago
7 0

Answer:

15x² - 32x + 9

Step-by-step explanation:

(3x – 1)(5x – 9)         FOIL both equations

15x² - 27x - 5x + 9   Combine like terms

15x² - 32x + 9

If this answer is correct, please make me Brainliest!

Murljashka [212]2 years ago
6 0

Answer:

15x^2-32x+9

Step-by-step explanation:

(3x – 1)(5x – 9)

FOIL

first: 3x*5x= 15x^2

outer: 3x(-9) = -27x

inner: -1(5x) = -5x

last: -1(-9) = 9

Add them together

15x^2 -27x-5x +9

Combine terms

15x^2-32x+9

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Divide. Write your answer as a fraction or mixed number in simplest form.<br><br> 10 • 3 3/4
Citrus2011 [14]

Answer:

37 1/2

Step-by-step explanation:

before you multiply you fractions you would have to change the mixed number into a improper fraction and then multiply your fractions together. once that is dont you would multiply they numerator straight across and multiply the denominator straight across. once that is done your answer should come out as 150/4 but that is a improper fraction and you have to change it into a mixed number which would be 37 2/4 but that can be simplified by 2 and once you simplify it your final answer would come out to be 37 1/2.

4 0
2 years ago
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Naddik [55]

Answer:

A

Step-by-step explanation:

Samantha already took up an appointment time slot, and the two people can't be at the appointment at the same time, so it should be A.

7 0
3 years ago
We are driving to Las Vegas. The sign says that it is one hundred forty-five miles to Las Vegas.
nata0808 [166]

Answer:

233.35488 km (Rounded to 233 km)

Step-by-step explanation:

If you convert miles to kilometers then you would use this conversion factor:

1 mile = 1.609344 km (or 1.61 km)

so in this case,

145 mile = 1.609344 km x 145

145 mile = 233.35488 km

I could also round it to 233 km.

Since your on a trip... i hope u enjoy ur journey to Las Vegas!

5 0
9 months ago
Redon is 6ft 2in. tall, and his shadow is 4ft 1in. long . At the same time,a building casts a shadow that is 19ft 10in. long . E
Colt1911 [192]
Can you help on my I am taking a test pls!
5 0
2 years ago
A trough is filled with water. The trough holds 315 gallons. Each cubic foot of water contains about 7.5 gallons. The trough is
elena55 [62]

Answer:

The height of the trough is about 1.5 ft

Step-by-step explanation:

If each cubic foot of water contains about 7.5 gallons.

Then; 315 gallons is about \frac{315}{7.5}=42ft^3

Let h be the height of the trough, then

7\times 4\times h=42

This implies that;

28h=42

Divide both sides by 28 to get:

h=\frac{42}{28}

\therefore h=1.5

The height of the trough is about 1.5 ft

4 0
3 years ago
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