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mr Goodwill [35]
3 years ago
8

PLEASE HELP AAAAAA

Mathematics
1 answer:
Anna71 [15]3 years ago
5 0

9514 1404 393

Answer:

  Negative, because the product (-7)(-2) is positive, and the product (-5)(1) is negative and the product of a positive and a negative number is negative

Step-by-step explanation:

Negative, because there is an odd number of negative factors. The above explanation is reasonable, too.

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What is the solution of the equation? Square root 2x+13-5=x
borishaifa [10]
Add
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to both sides of the equation.
√
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2
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+
5
To remove the radical on the left side of the equation, square both sides of the equation.
(
√
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(
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2
Simplify each side of the equation.

2
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=
x
2
+
10
x
+
25
2
x
+
13
=
x
2
+
10
x
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25
Solve for
x
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x
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2
,
−
6
x
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-
2
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Exclude the solutions that do not make
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−
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8 0
3 years ago
Read 2 more answers
Could you please help me? -0.7-(-2.5)=
Reika [66]
-0.7 - (-2.5) = 

-0.7 + 2.5 = 

2.5 - 0.7 = 1.8

1.8 is your answer

hope this helps
3 0
3 years ago
PLEASE HELP ASAP TENTH GRADE GEOMETRY
wel

Answer: SU = 4(1) + 1 = 5

Step-by-step explanation:

Since T is on segment SU we know the whole is eqaul to the sum of it’s parts.

ST + TU = SU substitute

3x - 1 + 3x = 4x + 1 simplify

6x - 1 = 4x + 1 solve for x

2x = 2

x = 1

ST = 3(1) -1 = 2

TU = 3(1) = 3

SU = 4(1) + 1 = 5

5 0
2 years ago
What is 7 raised to the power of 1?
vodomira [7]
7 raised to power of 1 is 7

Answer is 7

Hope this helps
5 0
2 years ago
Read 2 more answers
What are the explicit equation and domain for a geometric sequence with a first term of 2 and a second term of −8?
Alexxx [7]
The common ratio in a geometric sequence is the ratio between 2 consecutive terms:

-8/2=-4, 

then the sequence is  2, -8, 32, -128, -512, 2048, ...

let a_n be the nth term of the sequence, then 

a_1= 2
a_2=2(-4)
a_3=2(-4)(-4)=2(-4)^{2}
a_4=2(-4)(-4)(-4)=2(-4)^{3}
.
.
.
so clearly a_n=2(-4)^{n-1}

and, clearly n are integers >0, since we have a 1st term, a second term and so on... of a sequence (we do not have a "zero'th term"!

Answer:

<span>C. an=2(-4)^n-1; all integers where n>0</span>
5 0
3 years ago
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