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Ede4ka [16]
3 years ago
13

Solve (3x+7)=4x for x

Mathematics
2 answers:
creativ13 [48]3 years ago
4 0

Answer:

x=7

Step-by-step explanation:

(3x+7)=4x

Subtract 3x from each side

(3x+7) -3x=4x-3x

7 = x

sdas [7]3 years ago
3 0

Answer:

x = 7

Step-by-step explanation:

(3x + 7) = 4x

3x + 7 = 4x

7 = 4x - 3x

x = 7

Hope this helps, and please mark me brainliest if it does!

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Given a right triangle, find the measures of all the angles, in degrees, if one angle is a right angle and the measurement of th
vivado [14]
Give the known angle (90) a pronumeral of r.
give the second angle (the one with all the subtraction) a pronumeral or x.
give the third angle the pronumeral of y

x = 7y - 6
90 + x + y = 180
90 + 7y - 6 + y = 180
90 + 8y - 6 = 180
90 + 8y =186
8y = 96
y = 12.     the third angle is 12

so 12 + 90 = 102
the second angle must equal 88 to make it to 180

3 0
4 years ago
Ocean water freezes at about -2.5 degrees Celsius. Fresh water freezes at 0 degrees Celsius. Antifreeze, a liquid used in the ra
nika2105 [10]

Answer:

-61.5°C

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Gary wants to buy a video game with a price of $48 the game is marked as 50% off and the sales tax in his state is 4.5%
Viktor [21]
48^.5=24
24^.045=1.08
24+1.08=
$25.08
8 0
3 years ago
A hotel off two activity packages.one costs $192 and includes 3h of horseback riding and 2h of parasailing. The second costs $21
Pie
H = cost of horseback riding per hr, p = cost of parasailing per hr
3h + 2p = 192...multiply by 2
2h + 3p = 213..multiply by -3
------------------
6h + 4p = 384 (result of multiplying by 2)
-6h - 9p = - 639 (result of multiplying by -3)
-----------------add
-5p = - 255
p = -255/-5
p = 51 <== cost of 1 hr for parasailing

3h + 2p = 192
3h + 2(51) = 192
3h + 102 = 192
3h = 192 - 102
3h = 90
h = 90/3
h = 30 <== cost of 1 hr of horseback riding
6 0
3 years ago
If a girl has 4 seeds, 3 blue ones, and 1 purple one. What is the probability of her choosing a purple one?
Vanyuwa [196]

Answer:

¼

Step-by-step explanation:

From the question given above, the following data were obtained:

Blue (B) seed = 3

Purple (P) seed = 1

Total (S) = 1 + 3 = 4

The probability of her choosing a purple seed can be obtained as follow:

Event of purple seed, n(P) = 1

Total, n(S) = 4

Probability of purple seed, P(P) =?

P(P) = n(P) / n(S)

P(P) = ¼

Therefore, the probability of her choosing a purple seed is ¼.

4 0
3 years ago
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