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Marysya12 [62]
3 years ago
5

Solve for m 3m-4=5m+10

Mathematics
2 answers:
ivann1987 [24]3 years ago
8 0

Answer:

7=m

Step-by-step explanation:

3m-4=5m+10

Subtract 3m from each side so it looks like this: -4=-2m+10

Then subtract -10 from each side so it looks like this: -14=-2m

Divide by -2 on both sides

You get your answer, 7=m

Sonbull [250]3 years ago
7 0

Answer:

-7

Step-by-step explanation:

3m-4=5m+10

-2m-4=10

-2m=14

m=-7

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Solve the equation given in Exercise 15 with and without using the LCD of the fractions. Are your answers the same?
Colt1911 [192]
Without LCD :
1/2(4x + 6) = 1/3(9x - 24)
2x + 3 = 3x - 8
2x - 3x = -8 - 3
-x = - 11
x = 11

with LCD :
1/2(4x + 6) = 1/3(9x - 24) ...multiply by 6
3(4x + 6) = 2(9x - 24)
12x + 18 = 18x - 48
12x - 18x = -48 - 18
-6x = - 66
x = -66/-6
x = 11

Yes, the answers are the same :)

3 0
3 years ago
Can someone help solve for Y
kotykmax [81]
Because angleCBD+angleBDC+angleC=180 so angleCBD+angleBDC=180-angleC=180-82=98 because BC=DC so angleCBD=angleBDC so 2 angleCDB=98 so angleCDB=49 so y=29 by Joy Xu,紫馨雪汐
7 0
3 years ago
The SOLT missionaries are throwing a birthday party. There is obviously cake. Mr. Daniel only wants 1/2 of a piece. Mr. Richie e
marishachu [46]

Answer:

1/ 112

Step-by-step explanation:

1-½ = ½ ( Mr. Daniel's leftover)

½×½= ¼ ( Mr. Richie)

½×¼= 1/8 ( Ms Laura)

½×1/8 = 1/16 ( Ms. Kimberly)

1/7 × 1/16 = 1/ 112 (the last turn)

so, Ms. Sarah eats 1/ 112 of a piece.

3 0
3 years ago
A sample of blood pressure measurements is taken from a data set and those values​ (mm Hg) are listed below. The values are matc
swat32

Answer:

Step-by-step explanation:

Systolic. Calculate the mean

118+128+158+96+156+122+116+136+126+120+

=1276÷10 = 127.6.

To calculate the median arrange the values from the lowest to the highest.

96,116,118,120,122,126,128,136,156,158.

122+126+2=124.

Disastolic

80+76+74+52+90+88+58+64+72+82= 736÷10=73.6

To calculate the median arrange the values from the lowest to the highest.

52,58,64,72,74,76,80,82,88,90

Median= 74+76=150÷2=75.

Comparison

The Systolic and diastolic blood pressure measures different things, so comparing them is of no use.

It will be good if the relationship between the blood pressure can be investigated because the data are in pairs.

8 0
3 years ago
5. A monument casts a 78 ft. shadow at the same time that a vertical yardstick casts a 4.5 ft. shadow. How high is the monument?
rodikova [14]

Hello,

Using Thalès 's theorem:

Let's h the height of the monument.

\dfrac{1}{h} =\dfrac{4.5}{78} \\\\h=\dfrac{78}{4.5} =\dfrac{156}{9} \approx{17.3\ (ft)}

If you don't know what is the Thalès's theorem,

imagine that the similar triangles.

5 0
3 years ago
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