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Oxana [17]
2 years ago
13

PLEEEASE HELPPPPPPP!! substitution

Mathematics
2 answers:
Luba_88 [7]2 years ago
5 0
I got the same answer as the person before
worty [1.4K]2 years ago
4 0

Answer:

X=80

Y=9

Z=7

Step-by-step explanation:

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Write the following expression using symbolic language.
Ad libitum [116K]

Answer:

<h3>              1)   7x - 5 </h3><h3>              2)   9y - 18 </h3><h3>              3)   0.5n + 4n </h3><h3>              4)  2(w³+23)</h3><h3> Step-by-step explanation:</h3>

1)

The product of seven and a number x:   7·x = 7x

<u>Five less than the product of seven and a number x:</u>

<h3>7x - 5 </h3>

2)

nine times a number y:  9·y = 9y

<u>The difference of nine times a number y and eighteen:</u>

<h3>9y - 18 </h3>

3)

half a number n:   0.5n

four times the number:   4·n = 4n

<u>Half a number n increased by four times the number:</u>

<h3>0.5n + 4n </h3>

4)

a number w cubed:  w³

the sum of a number w cubed and twenty-three:  w³+23

<u>Twice the sum of a number w cubed and twenty-three:</u>

<h3>2(w³+23)</h3>

5 0
3 years ago
What is 1 tenth of 3.0. as a decimal
tangare [24]
Answer=0.3

1/10 of 3.0 is 0.3

3.0*(1/10)=0.3
4 0
3 years ago
37 percent as a fraction and a decimal
rjkz [21]
37/100        0.37 i'm not sure put i think this is the answer to your problem 
8 0
3 years ago
Read 2 more answers
Can someone please help me with this test question?
Igoryamba

Answer:

x=−4+√13 or x=−4−√13

Can I have brainliest? I need it for a challenge

Step-by-step explanation:

8 0
2 years ago
Evaluate |5-15|<br><br> A) -10<br><br> B) 10<br><br> C) 20<br><br> D) -20
Oksana_A [137]

Answer:

B) 10

Step-by-step explanation:

|5-15|

Do what is inside the absolute values signs

5-15

-10

|-10|

Absolute value means always positive so take the positive value of -10

10

7 0
3 years ago
Read 2 more answers
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