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Rufina [12.5K]
3 years ago
13

write the following using algebraic notation, using the letter x for any unknown numbers: I think of a number, subtract three, t

hen multiply by four Thanks.
Mathematics
2 answers:
gregori [183]3 years ago
6 0

Answer:

4(x - 3).

Step-by-step explanation:

Subtracting 3 form x gives x - 3.

Then we multiply this by 4 to give

4(x - 3).

krok68 [10]3 years ago
3 0

Answer:

4(x - 3)

Step-by-step explanation:

Let the unknown number be x.

x gets subtracted by 3, then multiplied by 4.

(x - 3) × 4

4(x - 3)

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B. Subtract polynomials: (3x – 5 – 7x2) – (–2 + 6x2 – 5x)
Lapatulllka [165]

Answer:

(3x-5-7x^{2} )-(-2+6x^{2} -5x)

step\:1: 3x-5-7x^{2} +2-6x^{2} +5x

step\:2:(-7x^{2} -6x^{2} )+(3x+5x)+[(-5+2)]

step\:3:-13x^{2} +8x-3

<u>OAmalOHopeO</u>

7 0
3 years ago
Help me plsss first person with the right answer gets Brainliest
Paladinen [302]

Answer:

D

Step-by-step explanation:

Have a nice day!

4 0
3 years ago
a runner is 7/8 mile from the finsh line. she can travel 3/8 mile per minute,how long will it take her to finsh the race
Simora [160]
I hope this helps you

if 3/8 miles per a hour

7/8 miles ? hour

?.3/8=7/8.1

?=7/3

?=2,3333... hour
4 0
4 years ago
Use SOHCAHTOA for this. Work out 'm' in 3sf, I need the working out.
Lady bird [3.3K]

Anwer:3.537m

STEP BY STEP EXPLANATIOND:using SOH CAH TOA

First find the opposite

Represent the opposite with x

Tan 33° =x\10

x=10Tan 33°

x=6.494

To find m

Sin 33°=m\6.494 Sin 33°

m=3.5368

m=3.537meteres

7 0
3 years ago
(answer the ones u know leave the ones u don't)
Artyom0805 [142]
1. A. 3/20
B. 8/5
2. A. 0.08
B. 1.6
3. A. 37%
B. 92%

5 0
3 years ago
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