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timofeeve [1]
3 years ago
12

3x + 1 = 7 What is the value of x?

Mathematics
1 answer:
Olin [163]3 years ago
5 0
The value for X is 2
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Kristen can run at 9kmh-1 and walk at 3kmh-1. She completed a 42km marathon in 6 hours. What distance did Kristen run during the
Hatshy [7]
Kristen completed 42 km. We will imagine that she ran all 6 hours. => 9 * 6 =54 km which is more than she actually completed. So we will find a 9 Multiple less than 42 km and that will be 36 km. (9 * 4 = 36 km completed by running) and the rest until 42 were completed by walking (3 * 2 = 6; 6 + 36 =42).

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What is the volume of a sphere with a radius of 31.6 cm, rounded to the nearest tenth of a cubic centimeter?
Dmitry_Shevchenko [17]
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8 0
3 years ago
Read 2 more answers
PLS BELP IM JUST CONFUSED
Ganezh [65]

Answer:

(0, 3)

Step-by-step explanation:

The y-intercept of any function can generally be defined as: (0, f(0)), since the y-intercept is when the function crosses the y-axis.

Anywhere on the y-axis, the x-value = 0, so the x value of the y-intercept will always be 0, and the y value is f(0), since x=0.

By looking at the graph it appears to intercept the y-axis at (0, 3) which should be the answer

4 0
1 year ago
&gt;&gt;<br> What is the value of x that makes PQ|| RS?<br> plssss help. i need help bad
kirill [66]

Answer: 55

Step-by-step explanation:

By the alternate exterior angles theorem,

3x-65=2x-10\\x-65=-10\\x=55

5 0
1 year ago
-2 (3a – 2) = 1/3(7 – 3a)
ahrayia [7]

Answer:

i have no idea. But i will answer because i'm still learning.

Step-by-step explanation:

-2 (3a – 2) = 1/3(7 – 3a)

is whats the question

ok its i'm guessing      -2 (3a – 2) = 1/3(7 – 3a)

-2.15384615385

                         Hope this helps    ;)

7 0
3 years ago
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