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Lina20 [59]
3 years ago
5

-5(6x+3y-1) Simplify

Mathematics
1 answer:
BigorU [14]3 years ago
7 0

Answer:

-30x+15y+5 is the simplified answer

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Can someone help me with this, im not really good at math and i dont understand this :(​
cluponka [151]

Answer:

y = 2x + 4

Step-by-step explanation:

First find 2 points on the line to determine slope.

(0, 4) and (2, 8)

Slope = \frac{8-4}{2-0}=2

y = 2x + b

b = y - intercept

b = 4

y = 2x + 4

4 0
3 years ago
Read 2 more answers
Rhian sat a maths test and an English test In the Maths test she scored 14 out of 17 In the English test she scored 31 out of 39
BabaBlast [244]

Answer:

Rhian did better in the Math test.  

Step-by-step explanation:

Given: Rhian scored 14 out of 17 in a Math test. In the English test she scored 31 out of 39.

To find: In which test did she do better?

Solution:

We have,

Rhian scored 14 out of 17 in a Math test.

Rhian scored 31 out of 39 in an English test.

So, first we need to find the percentage of the marks scored.

Percentage in the Math test =\frac{14}{17}\times100=82.35 \%.

Percentage in the English test =\frac{31}{39}\times100= 79.49\%.    

Clearly, the percentage in the Math test is greater than the percentage in the English test.

So, Rhian did better in the Math test.    

8 0
3 years ago
At most, Kyle can spend $50 on sandwiches and chips for a picnic.
trapecia [35]

Answer:

21

Step-by-step explanation:

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8 0
3 years ago
kelly makes $10 more an hour than her regular pay when she is working overtime. Yesterday, she worked 8 regular hours and 4 over
skad [1K]
C. $10 per regular hour.
5 0
3 years ago
A graph of average resting heart rates is shown below. The average resting heart
kolbaska11 [484]

Step-by-step explanation:

its A 10-year-old has the same average resting heart rate as a 20-year-old

hope it helps!

5 0
2 years ago
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