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sveta [45]
3 years ago
14

9 less than a number is -1.​

Mathematics
2 answers:
SpyIntel [72]3 years ago
8 0

Answer:

-10

Step-by-step explanation:

oksano4ka [1.4K]3 years ago
7 0

Answer:

-4

hope this helps

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What is the measure of angle CBE?
GarryVolchara [31]

Answer:

72°

Step-by-step explanation:

180-3x=2x

5x=180

x=36

Angle CBE = 2(36) = 72

7 0
2 years ago
What is the coefficient in the mathematical expression?
barxatty [35]

Using it's concept, it is found that the coefficient of the mathematical expression 7m² + 2(19) is of 7.

<h3>What is the leading coefficient of a polynomial?</h3>

The leading coefficient of a polynomial is the <u>term that multiplies the highest exponent</u>.

In this problem, the expression is given by:

7m² + 19.

The highest exponent is of 2, in m², hence the leading coefficient is of 7.

More can be learned about the coefficient of a mathematical expression at brainly.com/question/24380382

#SPJ1

4 0
1 year ago
I need help with these
IrinaVladis [17]
Let x be the number.
"twelve decreased by twice a number" ---> 12 - 2x
"8 times the sum of number and 4" ---> 8(x + 4)
12 - 2x = 8(x + 4)
12 - 2x = 8x + 32 (distributive property)
12 = 10x + 32 (add 2x to both sides)
-20 = 10x (subtract 32 from both sides)
x = -2 (divide both sides by 10)
6 0
2 years ago
Read 2 more answers
A) 7xy?<br> Degree and number of terms
jolli1 [7]

Answer:

1 and 1

Step-by-step explanation:

degree of 1 and 1 term.

8 0
3 years ago
Ray’s weight increased by 11% in the last two years. If he gained 16.5 pounds, what was his weight two years ago?
kap26 [50]
2 years ago he weighed 119.5 pounds
4 0
3 years ago
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