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Marat540 [252]
3 years ago
12

What is 7 times 9 in multiplti

Mathematics
2 answers:
NemiM [27]3 years ago
7 0
The answer is 63. 9 times 7 is 63
klio [65]3 years ago
6 0
7 x 9 = 63

A trick is use the 9x trick with the hands or skip count by 7's or 9's.
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The partial factorization of x2 – 3x – 10 is modeled with algebra tiles. Which unit tiles are needed to complete the factorizati
baherus [9]
X² - 3x - 10

x² = x * x
10 can be factored:
1 x 10 ⇒⇒⇒ difference between factors = 9
2 x 5   ⇒⇒⇒ difference between factors = 3  ⇒ (The correct pair)

(x-5)(x+2) = x(x+2) - 5(x+2)
                 = x² + 2x - 5x - 10
                 = x² - 3x - 10

∴ x - 5 = 0  ⇒⇒⇒ x = 5
   x + 2 = 0  ⇒⇒⇒ x = -2

I have attached <span>algebra tiles for the given equation.</span>




6 0
3 years ago
Read 2 more answers
Please help! Will mark brainliest if correct! Help quick! If not correct then no brainliest
Neporo4naja [7]

Answer:

5.8

Step-by-step explanation:

7 0
3 years ago
5. Graph the given system of linear inequalities on the coordinate plane below. (2 points)sy &lt;-3x - 4&lt; 21-15NA11 2 3 4 5 6
xxTIMURxx [149]

ANSWERS

(5) Graph:

(6) Solutions: (-1, -5) and (-2, -7)

Not solutions: (1, 1) and (-4, -3)

EXPLANATION

(5) To graph this system, first, we have to graph each of the inequalities. Both are linear, so we have to graph each line with a dashed line - this is because they are "less than" the line, so the line is not included, and shade the area below each of them.

The first inequality is y < -3x-4,

The second inequality is y < 2x - 1,

The graph of the system is the area shared by both graphs,

(6) Any point that is inside the shaded area is a solution of the system. For example, points (-1, -5) and (-2,-7) are solutions to the system.

On the other hand, any point outside that area, or on the dashed lines is not a solution. For example, points (1, 1) and (-4, -3) are not solutions

8 0
10 months ago
Are integers always whole numbers?
serg [7]

Answer:

if I'm thinkng straight integers do always have to be whole numbers but they also can be negative

7 0
3 years ago
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Vanessa polled 30 seventh graders. Twelve students said they would vote for Sage in the upcoming election. There are 250 student
adoni [48]
The answer to this would be B
6 0
3 years ago
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