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sergij07 [2.7K]
3 years ago
7

Jillian is 5 years old. She has an older brother whose age is represented by the expression 2x+3, where x represents Jillian's a

ge. How old is her brother?
Mathematics
2 answers:
Kruka [31]3 years ago
7 0

Answer:

7

Step-by-step explanation:

2x2 = 4+3=7 so her brother is 7

abruzzese [7]3 years ago
4 0

Answer:

13

Step-by-step explanation:

2(5) = 10, +3 = 13 years old,, just use order of operations and plug in jillians age for the x

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Find the midpoint of the line segment whose endpoints are (3, 10) and (7, 8).
Stels [109]

Answer:

Option 2 is correct.

Step-by-step explanation:

Given the coordinates of lines segment (3, 10) and (7, 8). we have to find the mid-point of given line segment.

Mid-point formula states that if (x_1,y_1) and (x_2,y_2) are the coordinates of end points of line segment then the coordinates of mid-point are

(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})

∴ Coordinates of mid-point of line segment joining the points          (3, 10) and (7, 8) are

(\frac{3+7}{2},\frac{10+8}{2})=(\frac{10}{2},\frac{18}{2})=(5,9)

Hence, option 2 is correct.

6 0
3 years ago
Read 2 more answers
Divide £12 between mick and sharon in the ratio 2:4
antiseptic1488 [7]

Answer:mick share is £4 while Sharon share is £8

Step-by-step explanation:

Money to be shared=£12

Mick : sharon=2:4

Sum of ratio=2+4=6

Mick share=2/6 x 12

Mick share=(2x12)/6

Mick share=24/6

Mick share=4

Sharon share=4/6 x 12

Sharon share=(4x12)/6

Sharon share=48/6

Sharon share=48/6

Sharon share=8

6 0
3 years ago
Help I don’t know the steps
Korvikt [17]

Answer:

down below

Step-by-step explanation:

straight lines are 180 degrees and you have 2 angles on a line. one of which is 72 and the other is unknown. It is solved for below.

180=72+x\\180-72=72+x-72\\108=x

your missing degree is 108.

i may not be right, if i'm not i am very sorry.

7 0
3 years ago
All 14 members of the high school swim team borrowed $8 each from their coach to purchase dinner while at an away meet. Write a
sladkih [1.3K]

Answer:

14 * 8 = money given out

Step-by-step explanation:

#of people given money * (times) amount per person.

6 0
3 years ago
6a-4=3a+5????????????????
ser-zykov [4K]

Answer:

a=3

Step-by-step explanation:

6a-4=3a+5

6a-3a=3a

5+4=9

3a=9 *divide on both sides*

a=3

4 0
3 years ago
Read 2 more answers
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