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IrinaVladis [17]
3 years ago
5

Help please! Thank you.

Mathematics
1 answer:
amm18123 years ago
6 0

Answer:

38 and 21

Step-by-step explanation:

add 12+12+15 =38

add 6+6=12

take away 15-12=3

and then add 18+3=21

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Use the distributive property and combine like terms to simplify: u(v−10)
siniylev [52]

Answer:

uv - 10u

Step-by-step explanation:

To distribute a problem, you have to multiply what is on the outside of the parenthesis with what is on the inside.

u · v = uv

u · -10 = -10u

Combined, u(v - 10) = uv - 10u.

6 0
3 years ago
HELP PLZ When x = -2, which of the following points is on the graphed line y = -4x + 3?
trapecia [35]

y = f(x) =  - 4x + 3 \\ \Rightarrow f( - 2) =  - 4( - 2) + 3 = 8 + 3 = 11 \\ \Rightarrow ( - 2,11)

6 0
3 years ago
Kara has 25 toy animals and 12 books Jorge has 8 more toy animals than Kara has how many toy animals does Jorge have
Alex

Answer:

Jorge Has 33 more toy animals than kara

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
What is a perfect square? Why is <img src="https://tex.z-dn.net/?f=x%5E%7B2%7D%20%2B%208x%20%2B16" id="TexFormula1" title="x^{2}
ivanzaharov [21]

Answer:

It is a perfect square. Explanation below.

Explanation:

Perfect squares are of the form

(

a

+

b

)

2

=

a

2

+

2

a

b

+

b

2

. In polynomials of x, the a-term is always x.(

(

x

+

c

)

2

=

x

2

+

2

c

x

+

c

2

)

x

2

+

8

x

+

16

is the given trinomial. Notice that the first term and the constant are both perfect squares:

x

2

is the square of x and 16 is the square of 4.

So we find that the first and last terms correspond to our expansion. Now we must check if the middle term,

8

x

is of the form

2

c

x

.

The middle term is twice the constant times x, so it is

2

×

4

×

x

=

8

x

.

Okay, we found out that the trinomial is of the form

(

x

+

c

)

2

, where

x

=

x

and

c

=

4

.

Let us rewrite it as

x

2

+

8

x

+

16

=

(

x

+

4

)

2

. Now we can say it is a perfect square, as it is the square of

(

x

+

4

)

.

3 0
3 years ago
Which stem-and-leaf plot represents the data 80, 81, 91, 92, 66, 55, 54, 30, 55, 79, 78?
const2013 [10]
Convert the given data into ascending order.
30,54,55,55,66,78,79,80,81,91,92
Here the minimum value is 30 and maximum is 92.
Total counts=11
Now plot the data.

Stem | Leaf
3       |  0
5       | 4 5 5
6       | 6
7       | 8 9 
8       | 0 1
9       | 1 2

This is the required stem leaf plot.
3 0
3 years ago
Read 2 more answers
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