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avanturin [10]
3 years ago
13

HELP ME PLEASE i beg u

Mathematics
2 answers:
lorasvet [3.4K]3 years ago
7 0

Answer:

3. -2

4. 15

5. 0

6. 1

7. 0

Hope this helps!!! If so please give brainliest

siniylev [52]3 years ago
6 0

Answer:

<em>3)-5+3= </em><em>-2</em>

<em>4</em><em>)</em><em>9-</em><em>(</em><em>-6</em><em>)</em><em>=</em><em> </em><em>15</em>

<em>5</em><em>)</em><em>6-6</em><em>=</em><em>0</em>

<em>6</em><em>)</em><em>1</em><em>/</em><em>2</em><em>+</em><em>1</em><em>/</em><em>2</em><em>=</em><em> </em><em>2</em><em>/</em><em>2</em><em>(</em><em>1</em><em>)</em>

<em>7</em><em>)</em><em>-4</em><em>+</em><em>4</em><em>=</em><em>0</em>

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How do you solve this problem?
Afina-wow [57]

Answer:

x=48

Step-by-step explanation:

x-3              15

------------ = ----------

6                      2

We can use cross products to solve this problem

(x-3) *2 = 6*15

Distribute

2x-6 = 90

Add 6 to each side

2x-6+6 = 90+6

2x=96

Divide by 2

2x/2 = 96/2

x = 48

3 0
3 years ago
Three more than twice the sum of a number and half the number equals 105. Which equation models this relationship?
AlekseyPX

Answer:2(x+1/2x)+3=105

Step-by-step explanation: that is how i got my answer. If not a similar answer i would go with 2x+3=3x+105.

You can automatically eliminate the first answer. The second one has a random 5, so eliminated. and the last one just isn't correct.

7 0
3 years ago
What is the measure of angle CAD?​
frez [133]
<h3>Answer: 128 degrees</h3>

Work Shown:

(angle CAD) + (angle CAB) = 180

angle CAD = 180 - (angle CAB)

angle CAD = 180 - 52

angle CAD = 128 degrees

7 0
3 years ago
Read 2 more answers
Kini earns 9 dollars an hour at her job and her allowance is 8 dollars per week. Duke earns 7.50 dollars an hour and his allowan
Softa [21]

Answer:

Step-by-step explanation:

y = 9x + 8

y = 7.5x + 16

1.5x = 8

x = 5.3 hours

3 0
3 years ago
Read 2 more answers
Determine the standard form of the equation of the line that passes through (-5,0) and (0,-9)
bonufazy [111]

Answer:

9x+5y=-45

Step-by-step explanation:

To write the equation of a line we must have a slope and a point. To find the slope we use the slope formula and substitute (x,y) points in it as shown below:

m=\frac{y_2-y_1}{x_2-x_1}=\frac{-9-0}{0--5}=\frac{-9}{0+5}=\frac{-9}{5}=\frac{-9}{5}

Now that we have the slope, plug in the slope and choose one point to plug into the point slope formula. Use the point-slope form to write the equation, then simplify and convert into the slope intercept form.

(y-0)=-9/5(x--5)

y=-9/5(x+5)

y=-9/5x-9

Now convert to standard form, Ax+By=C.

y=-9/5x-9

9/5x+y=-9

9x+5y=-45



5 0
3 years ago
Read 2 more answers
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