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Aleks04 [339]
3 years ago
13

HELP ME PLS! FOR THE FIRST & SECOND ONE! 10 POINTS EACH!!!

Mathematics
2 answers:
olga2289 [7]3 years ago
8 0
Hope this helps!!!!!!!
swat323 years ago
7 0

Answer:

y=(0,-1)

x= 2/3

Graph: I went to use Math...way and plug up the equation

Step-by-step explanation:

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The sum of two numbers is -17. Their difference is 41. Find the numbers
Alex787 [66]

Answer:

x = 12

y = -29

Step-by-step explanation:

Our given equations: x + y = -17 and x - y = 41

Solve for x and substitute.

x = -17 - y

(-17 - y) - y = 41

-17 - 2y = 41

2y = -58

y = -29

Solve for x using y

x + (-29) = -17

x = 12

3 0
3 years ago
Multiply.<br> 2x(x2 + 2x - 6)
Stels [109]
<span>2x(x2 + 2x - 6)
</span>First add what is in the "(" wich is 2x+2x
<span>2x(4x - 6)
</span>Second multiply the 2x by the 4x & -6
<span>8x-12x
Now subtract the -12x from the 8x
8x-12x = -4x


</span>
8 0
4 years ago
Read 2 more answers
Jillian is 5 years old. She has an older brother whose age is represented by the expression 2x+3, where x represents Jillian's a
abruzzese [7]

Answer:

13

Step-by-step explanation:

2(5) = 10, +3 = 13 years old,, just use order of operations and plug in jillians age for the x

4 0
3 years ago
Read 2 more answers
Tyra has 12 2/3 cups of sugar. If r is the amount of sugar called for in one batch of cookies, the expression 12 2/3 ÷ r can be
faust18 [17]

Answer:

13 batches of cookies

Step-by-step explanation:

12 2/3 ÷ 2/3 = 12.6666667, it's 13 because 2/3 as a decimal is .6666666 and .6666667 is more than 2/3. So you add one to the answer.

4 0
3 years ago
Read 2 more answers
The diagonals of a rhombus are 21 m and 32 m. What is the area of the rhombus?<br> 30 POINTS
Wittaler [7]
I have included attachment below

so since a rhombus is 2 pairs of paralell sides, we can cut it into 4 triangles
we can see that we can take the bottom 2 triangles and put them on top to get a rectangle that is width 21 and height 32/2 (16=height
area of rectangle=legnth times width=16 times 21=336 m^2

answer is 336 m^2

5 0
3 years ago
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