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pashok25 [27]
3 years ago
9

3х + 4y = - 23 х = 3y+1 Solve systems of equations!

Mathematics
1 answer:
Norma-Jean [14]3 years ago
5 0

Answer:

3(3y + 1) + 4y =  -  23 \\ 9y + 3 + 4y =  - 23 \\ 9y + 4y =  - 23 - 3 \\  \frac{13y}{13y}  =   \frac{ - 26}{13}  =  - 2

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Help ASAP please
hoa [83]

Answer: Each multiple choice question is worth 5 points.


Step-by-step explanation: You can find this answer by using the equation "14m + 24 = 16m + 14" and then solving for "m". To find what "m" is, you must first subtract 14m from both sides, leaving "24 = 2m + 14". Next, you subtract 14 from both sides, leaving "10 = 2m". Finally, you divide both sides by 2, which will give you "m = 5". Thus meaning each multiple choice question is worth 5 points.

To check this, simply fill in for "m" and solve each side. 14 * 5 + 24 = 94 and 16 * 5 + 14 = 94. 94 = 94, so "m = 5" is correct.

I hope this helps!


8 0
4 years ago
The romans marched 500 meters in 4 hours. For the next 4 hours they tripled their pace. What was the total distance traveled by
lara31 [8.8K]

Distance traveled during the first 4 hours:  500 m  Note that the rate here was 125 m/hr.

Distance traveled during the next four hours:  3(125 m/hr)(4 hr) = 375 m

Total distance traveled:  500 m + 375 m = 875 m

7 0
3 years ago
Look at the figure. Classify the pair of angles: <4 and <5.
VMariaS [17]

Answer:

Option B

same-side interior angles

Step-by-step explanation:

Given in the question, two non parallel lines a and b.

The area between lines a and b is called the interior of the two lines.

Angles 4 and 5 are same-side interior angles.

Other options are wrong because:

<h3>A)</h3>

The area which not between lines a and b is called the exterior

<h3>C) </h3>

Corresponding angles are on same side of the traversal line.

Example

Angles 1 and 5

<h3>D)</h3>

Alternate interior angles are in interior region but in opposite side of traversal line.

Example

Angles 3 and 5

4 0
4 years ago
Fill in the blanks please 10 points meant to put this in spanish sorry
Anastasy [175]

1. ningún

2. nadie

3. uvas

4. comida

5 0
4 years ago
The bird population in Louisiana is decreasing at a rate of 15% per day due to the oil spill. If there are 12,000 birds today, h
tiny-mole [99]
<h3>Answer: 395 birds</h3>

==============================================

Work Shown:

The formula to use is

A = P*(1+r)^x

where,

P = 12000 is the initial population

r = -0.15 represents the growth rate in decimal form; which is really a decay/decrease due to r being negative

x = 21 days have passed by (3 weeks = 3*7 = 21 days)

These values lead to...

A = P*(1+r)^x

A = 12000*(1+(-0.15))^21

A = 12000*(1-0.15)^21

A = 12000*(0.85)^21

A = 12000*0.03294560142183

A = 395.34721706196

A = 395

8 0
4 years ago
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