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notsponge [240]
3 years ago
8

Solve the system of equations. y=x+5 y=-x+7

Mathematics
2 answers:
Semmy [17]3 years ago
6 0

Answer:

all work is shown and pictured

spin [16.1K]3 years ago
4 0

Answer:

(1,6)

x = 1, y = 6

See attachment for the graph

Step-by-step explanation:

y=x+5  

y=-x+7

Using the elimination process

     y=x+5  

-     y=-x+7

----------------

     0=2x-2

     2=2x

      1=x

      x=1

Substitute x = 1

y = x + 5

y = 1 + 5

y = 6

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What is the exact volume of a cylinder 4" with by 8" length the answers are 32in 64in 128in 512in​
Nataly_w [17]

Volume of a cylinder is:

π x radius² x height

Radius = width / 2 = 2

so:

π x 2² x 8 = 32π = 100.53

I'm guessing the answer is "32in" because that's the only answer that matches the answer 32π. Maybe the units are wrong in the question.

5 0
4 years ago
Researchers want to determine the effects of gender and socioeconomic status (i.e. high, medium, and low) on student achievement
inna [77]

Answer:

Two way ANOVA.

Step-by-step explanation:

The two way analysis of Variance statistical analysis technique is used to analyae and determine the variation in sample means. The two way ANOVA is considered when the independent variable is more Than one. Usually two, in the scenario described, the independent variables in the scenario are ; Socioeconomic Status and Gender.

Also.in Analysis of Variance, the groups or factor level of each independent variable must the atleast 3 or more, this factor level serves as the group of the independent variable. Here the factor levels are High, medium and low, which also means that condition for the number of levels is also met.

4 0
3 years ago
Which of the following sets of numbers could be the lengths of the sides of a triangle? A. 1 mi, 9 mi, 10 mi B. 8 mi, 9 mi, 2 mi
Svetach [21]

Answer:

Option B. 8 mi, 9 mi, 2 mi

Step-by-step explanation:

The option A doesn't have a set of numbers which could be the lengths of the sides of a triangle. The numbers 1,9,10 mean that the longest side is exactly the sum of the others. The only possible way is they lie in the same line, no triangle is formed

Option C gives the numbers 1,9,11. It's impossible to have a side of 11 when you have the sum of the others less than 11. The maximum extension of the other sides (forming a line) won't be enough to reach the length of 11

Option D is also infeasible for the same reason as the option A. The three lines must be aligned to be connected in its extremes

Option B is the only one who can provide a set of possible lengths of a triangle since the sum of the shortest sides is greater than the third. If we open wide enough the angle between the 2 mi side and the 8 mi side, we would eventually connect the 9 mi side and form a triangle

7 0
3 years ago
Please I really need help with this!!!
WINSTONCH [101]
All you need to do is insert the numbers they gave you into the L and H spots.
So:

s= 0.78(1.25)^1.67
     ___________
     0.93^1.17
Solve the top by putting the equation into a calculator and then the same for the bottom. After that divide the top's solution with the bottom and you should have found the answer
5 0
4 years ago
The floor of a rectangular living room is 12 meters by 9 meters. what is the distance between opposite corners of the living roo
Aleks [24]

Answer:

15 meters

Step-by-step explanation:

that means the leg lengths of the triangle are  12 m  and 9 m

use Pythagorean theorem:

D =  root (12^2  + 9^2) = root( 144 + 81) = root(225) = 15 m

7 0
3 years ago
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