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vaieri [72.5K]
4 years ago
15

What is the value of the expression 3x+4 when x=7?

Mathematics
2 answers:
Pani-rosa [81]4 years ago
7 0

Answer: 25

Step-by-step explanation: 7x3 = 21+4 =25

Hope this helped!

Mark Brainliest if you want!

lara31 [8.8K]4 years ago
7 0

Answer:

25

Step-by-step explanation:

3x +4

3×7+4

21 +4

25

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Identify the measure of arc HD◠.
meriva

Answer:

The measure of arc HD is 20°

Step-by-step explanation:

we know that

The measurement of the outer angle is the semi-difference of the arcs it encompasses.

In the triangle of the figure , the measure of the third  interior angle is equal to

180°-92°-38°= 50°

50°=(1/2)[(102+18)°-arc HD]

100°=[120°-arc HD]

arc HD=120°-100°=20°

5 0
3 years ago
Find a rational number between (-1/3) and (2/5) <br><br> Please Help Me....!‍♀️
Leona [35]

Answer:

1/2 and 3/5 can be written as 20/40 and 24/40. Between them you can have 3 rational numbers as 21/40, 22/40, and 23/40, which may be written as 21/40, 11/20 and 23/40.

Hope it helps you!

Step-by-step explanation:

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7 0
3 years ago
Sherry made this arrangement of tiles as part of her art project.
natima [27]

Answer:

area = 18 units

Step-by-step explanation:

5 0
3 years ago
PLS HELP if x - 2y = 1 and 2x - y = -4, then x + y =
IRISSAK [1]

Answer:

-5

Step-by-step explanation:

x-2y=1

(-3)-2(-2)=1

(-3)+(4)=1

x = -3, y = -2

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6 0
3 years ago
Zoe is solving the equation 3x-4=-10 for x solving for x
Arada [10]

Answer:

x = -2

Step-by-step explanation:

Solve for x:

3 x - 4 = -10

Add 4 to both sides:

3 x + (4 - 4) = 4 - 10

4 - 4 = 0:

3 x = 4 - 10

4 - 10 = -6:

3 x = -6

Divide both sides of 3 x = -6 by 3:

(3 x)/3 = (-6)/3

3/3 = 1:

x = (-6)/3

The gcd of -6 and 3 is 3, so (-6)/3 = (3 (-2))/(3×1) = 3/3×-2 = -2:

Answer:  x = -2

8 0
3 years ago
Read 2 more answers
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