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AVprozaik [17]
3 years ago
5

Help me with this!!!!

Mathematics
1 answer:
Alchen [17]3 years ago
4 0

Answer:

QR=2x=16

Step-by-step explanation:

2x+8= 3x

8=3x-2x

8=x

QR=2x= 8*2=16

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Need help ASAP thankyou sorry if u can’t see the picture but u can zoom in :)
Andrej [43]

Answer:

a)Volume 390ft3. Surface area 450ft2

b)surface area

c)volume

Step-by-step explanation:

2*15*13=390

2*15*2=60+15*13*2=390

7 0
3 years ago
If YZ= 55 millimeters, what would be the length of QR? Millimeters
rusak2 [61]

Answer:

<h2>30 mm</h2>

Step-by-step explanation:

<h3>Hope it help </h3>
6 0
3 years ago
A password contains three digits, such as 175. How many different passwords can be formed?
zaharov [31]

Answer:

157,517,715,751,571.Therefore,5 more passwords can be formed

4 0
3 years ago
1. Use synthetic division to determine each quotient. Show your work.
Brut [27]
A= x^2+2x-6
B= x^3-x+5-(28/x+3)
5 0
2 years ago
Write the equation of a line that has a slope of 3 and passes through the point (5, 7).
erastovalidia [21]

Answer:

y = 3x - 8    

Step-by-step explanation:

All the options are written in slope-intercept ( y = mx + b) form. So, what we can do with the given information is write the equation in point-slope form first, then convert it to slope-intercept form.  

1) First, use the point-slope formula y-y_1 = m (x-x_1) to find the point-slope equation of the line. Substitute m, x_1, and y_1 for real values.

Since m represents the slope, substitute 3 in its place. Since x_1 and y_1 represent the x and y values of one point the line intersects, substitute the x and y values of (5,7) into the appropriate places in the formula as well. This gives the following equation of the line in point-slope form:  

y-7 = 3(x-5)

2) Now, isolate y in the above equation to find its slope-intercept form.

y-7=3(x-5)\\y-7 = 3x-15\\y = 3x -8

Thus, the answer would be the third option as it matches the result we received.

4 0
3 years ago
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