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Novay_Z [31]
3 years ago
13

3x + 2(5x - 3) = 7 I don’t get it

Mathematics
2 answers:
Nezavi [6.7K]3 years ago
7 0
3x +2(5x - 3) = 7

3x + 10x - 6 = 7

13x = 7 + 6

13x = 13

X = 1
madreJ [45]3 years ago
4 0
X = 1

you isolate the variable by diving each side by factors that don’t contain the variable :)
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Use the standard algorithm to find the product of 853 and 59. Record the product of multiplying by the ones digit, the product o
bearhunter [10]

The product of multiplying the ones digit of 59 by 853 is 7677 and the product of multiplying the tens digit of 59 by 853 is 42650 and the final product is 50327

<h3>How to determine the product of the numbers?</h3>

The numbers are given as

853 and 59

By using the standard algorithm i.e. the partial product method, we have the following equation

853 * 59 = 853 * (50 + 9)

Open the bracket

So, we have

853 * 59 = 853 * 50 + 853 * 9

Evaluate the products

So, we have

853 * 59 = 42650 + 7677

The above means that the product of multiplying the ones digit of 59 by 853 is 7677 and the product of multiplying the tens digit of 59 by 853 is 42650

Next, we evaluate the sum

853 * 59 = 50327

This means that the final product is 50327

Read more about products at

brainly.com/question/10873737

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4 0
1 year ago
A cart travels 3.6 meters in 1.8 seconds. What is the average speed of the cart?
Lady_Fox [76]
For solving this we need the change in distance and the change in time.  You said that the change in time is 1.8 seconds and the change in distance is 3.6 meters.  ( This is assuming it started at 0 meters and started at 0 seconds )

Since the starting was 0,0 we can toss them out as they add no value.  Now since speed is labeled (in this case) m/s, we divide how many meters it traveled over how many seconds it took to travel it.

3.6 / 1.8 = 2

The average speed of the cart is 2 m/s
6 0
3 years ago
Please solve this GIVING BRAINLIEST and pls show proof!
storchak [24]

Answer:

b

Step-by-step explanation:

to prove if NP is tangent to MN

we could prove if NPM is a right triangle

By pythagorean theorem

a^2+b^2=c^2

where a=MN=33

b=NP=180

c=MP=MQ+QP=152+33=185

so

33^2+180^2=185^2

but

1089+32400 is not equal to 34225

33489 is different from 34225

7 0
3 years ago
Zeke and Niko are eating cookies. The ratio of the number of cookies Zeke ate to the number Niko ate was 2 to 1 (so Zeke had twi
Alexeev081 [22]

Answer:

6

Step-by-step explanation:

1/2 of 12 is 6

Zeke ate twice as much as Niko, so he ate 12 and Niko ate 6.

This makes 18 cookies eaten in total.

8 0
2 years ago
There are 12 boys and 16 girls in a classroom. Which represents the simplified ratio of girls to students in the
Arturiano [62]

Answer:

I think it is 4 to 3

Step-by-step explanation:

if I am wrong I'm sorry

3 0
3 years ago
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