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Alina [70]
3 years ago
7

Cecilia says she can use addition to solve multiplication problems. is cecilia correct?

Mathematics
2 answers:
kirill [66]3 years ago
4 0
She is correct you can just add the number you are trying to multiply various times like for example 3x32 it can just be 32+32+32
ratelena [41]3 years ago
4 0
Yes. For example, if you are trying to get the answer to the multiplication problem 3x2, the answer would be 6 and if you did addition, you would be adding 3+3 and get the same answer. 3x5 would be 3+3+3+3+3.
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Which of the following is a point-slope equation for a line with the point
IgorLugansk [536]

Hi there! :)

Answer:

Choice D. (y - 4) = 3(x + 2)

Step-by-step explanation:

An equation in point-slope form is:

(y - y1) = m(x - x1)

Where:

y1 = y-coordinate of a point

m = slope

x1 = x-coordinate of a point

In this instance, the point given is (-2, 4) with a slope of 3. Therefore, the equation in point-slope form would be Choice D. (y - 4) = 3(x + 2)

8 0
3 years ago
Read 2 more answers
I need to know what is 190% of 40?
MrRissso [65]
40/x=100/190 40/x=100/190
(40/x)*x=(100/190)*x
40=0.526315789474*x
(0.56315789474) to get x
40/0.536315789474=x
76=x
x=76 now we have 190% of 76


5 0
3 years ago
Find(x)=-x^2-4x+13<br> find f(3)
hichkok12 [17]

Answer: f(3)=-8

Step-by-step explanation:

f(x)=-x^2-4x+13\\f(3)=-(3)^2-4(3)+13\\f(3)=-(9)-12+13\\f(3)=-9+1\\f(3)=-8

5 0
3 years ago
-3s is greater than or less than 33
astraxan [27]
The answer for this question is less than.
4 0
3 years ago
I need help finding the answer!
Brums [2.3K]

Answer: x=4

Step-by-step explanation:

Since this is a rectangle we already know that all the angles are 90, so we can do this:

46+10x+4=90

50+10x=90

10x=40

x=4

4 0
3 years ago
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