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Rama09 [41]
3 years ago
15

PLEASE HELP ON THESE 2 QUESTIONS

Mathematics
1 answer:
photoshop1234 [79]3 years ago
7 0
1) 9/4x-2 = 12/3x+2
9(3x+2) = 12(4x -2)
27x +18 = 48x -24
27x-27x +18 = 48x-27x -24
18 = 21x -24
18 +24 = 21x -24+24
42 = 21x
42/21 = 21x/21
x= 2

2. x/9 = 25/15

15x = 225
15x/15 = 225/15
x= 15

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Ifangle1∠ 1 and angle2∠ 2 are complementary, find the measure of x and the measures of the angles when LaTeX: m\angle1=\left(6x+
Liono4ka [1.6K]

Answer:

<h3>x = 5</h3>

Step-by-step explanation:

The sum of two complementary angle is 90 degrees. Given the following complementary angles;

<1 = 6x + 5

<2 = 8x + 15

<1 + <2 = 90 (complementary angles)

6x + 5 + 8x + 15 = 90

14x + 20 = 90

14x = 90-20

14x = 70

x = 70/14

x = 5

Hence the measure of x is 5

6 0
3 years ago
James had a peach that was 98 \text{ mm}98 mm98, start text, space, m, m, end text in diameter. One day he watered it with a mag
Irina-Kira [14]

9514 1404 393

Answer:

  A.  2×10³

Step-by-step explanation:

The ratio of diameters is ...

  (189,869 mm)/(98 mm) ≈ 1927.3 ≈ 2000 = 2×10³

The diameter of the peach became about 2×10³ times as large.

8 0
3 years ago
Help plz I will give Brainliest for who ever has the correct answer.
Wittaler [7]
What is the formula
Well I think it is 661.5
6 0
3 years ago
john has $1,000 in his bank account. each month he deposits $150 y=150x + 1000 determine what is the independent and dependent v
Vlad1618 [11]
1,000 is independent because nothing it changing it.

150x is dependent because 150 relies on the variable x.
8 0
3 years ago
2x+3y=12 how do I solve for x and y
Elena-2011 [213]

2x+3y= 12

To solve for the x intercept, y=0

2x+3(0)= 12

2x= 12

Divide both sides by 2

2x/2x= 12/2x

X= 6

So:(6,0)

To solve for y intercept, x=0

2(0)+3y= 12

3y= 12

Divide both sides by 3

3y/3y= 12/3

Y= 4

So: (0,4)


4 0
3 years ago
Read 2 more answers
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