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Misha Larkins [42]
3 years ago
11

Can someone please help me ​

Mathematics
1 answer:
OLEGan [10]3 years ago
3 0

Answer:

28

Step-by-step explanation:

i took quizz

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Choose the graph that matches the following system of equations: 2x + y = −1 3x + 2y = −6
Karolina [17]
Hi! You don't actually need to graph this nor find the intersection in order to know the answer. Through the process of elimination we can rule out incorrect answers.

Firstly, we express both equations with y on the left hand side since all choices are in that form:

y=-2x-1
y=- \frac{3}{2}x-3

Knowing these, we can immediately rule out options a, c, and d since they have the wrong equations. This will leave us with option b.

You can verify if the point of intersection provided in option b is true by plugging in the values of x and y to both equations (you will find that it is indeed true).

ANSWER: b. <span>picture of coordinate plane with line y equals negative 2x minus 1 and line y equals negative 3 halves x minus 3. They intersect at 4, negative 9.</span>
4 0
3 years ago
Read 2 more answers
Hope has of an hour to play outside and do her homework. She wants to split her time equally between the twe activities much tim
fredd [130]
1234567891011121314151617181920
8 0
3 years ago
Read 2 more answers
Please help <br><br>the question is beloww
madam [21]

Answer:

-8

Step-by-step explanation:

(x-3y=136) + (18x+3y=288) We collect both processes to make y's disappear

19x=-152

x=-8

5 0
3 years ago
Work out the value of x.<br>Need answer soon :) ​
german

Answer:

x+20

Step-by-step explanation:

As we can see n the diagram, there are parallel traversals and one line, and the two angles given are same-side interior angles. We know that when there is parallel traversal, and we have same side interiors, the sum of the measure of the two angles are supplementary. Supplementary means 180 degrees, or a straight line.

So we plug everything in and we have  4x+5x=180 degrees

4x+5x=9x, so 9x=180

We divide by 9 on both sides to get the value of x, which is 20

Hope it helps!

6 0
3 years ago
Hell me plz, and can plz explain as well
Montano1993 [528]
The sixth graders collected $250 of their $300 goal. The seventh graders collected $250 of thier $450 goal.

Sixth Graders:
$250 / $300
Reduce: $25 / $30 = 5/6

Seventh Graders:
$250 / $450
Reduce: $25 / $45 = 5/9
7 0
3 years ago
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