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Pepsi [2]
3 years ago
8

Hilda adds 5 to a number, then multiplies the sum by negative 2. The result is 6. Write an equation to find the number, x.

Mathematics
2 answers:
mr_godi [17]3 years ago
7 0
-2(x+5)=6
-2x-10=6 (add 10 to both sides)
-2x=16 (divide both sides by -2)
x=-8
kolezko [41]3 years ago
3 0

Answer:

equation-->-2(x+5)=6

x=-8

Step-by-step explanation:

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What is the equation of this line?
Oduvanchick [21]

Answer:

y=4/3x-3

Step-by-step explanation:

+4x-(-3y)=1-1/3

5 0
3 years ago
How many positive integers can be expressed ad a product of two or more of the prime numbers 5,7,11,and 13 if no one product is
sertanlavr [38]

Answer:

11 positive integers can be expressed.

Step-by-step explanation:

Consider the provided information.

The number of possible prime numbers are 5,7,11,and 13.

There are 4 possible prime numbers.

How many positive integers can be expressed as a product of two or more of the prime numbers, that means there can be product of two numbers, three number or four numbers.

The formula to calculate combinations is: ^nC_r=\frac{n!}{r!(n-r)!}

The number of ways are:

^4C_2+^4C_3+^4C_4=\frac{4!}{2!(4-2)!}+\frac{4!}{3!(4-3)!}+\frac{4!}{4!}

^4C_2+^4C_3+^4C_4=\frac{4!}{2!2!}+\frac{4!}{3!}+1

^4C_2+^4C_3+^4C_4=6+4+1

^4C_2+^4C_3+^4C_4=11

Hence, 11 positive integers can be expressed.

8 0
3 years ago
If you pay $20 for 16 candy bars what is the cost for per candy
Olin [163]
<span>$20/16=$1.25/candy bar 
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5 0
3 years ago
Read 2 more answers
The function f(x) is shown in the graph.
Semmy [17]

Answer: Logarithmic

Explanation:

This curve is a reflection of the exponential curve over the line y = x, to show that it is the inverse of exponentials. We use logs to help isolate the exponent among other useful properties.

6 0
2 years ago
4w^2+4w+1=25<br> NEED HELP PLEASEEE
geniusboy [140]

Answer:

w=2, -3

Step-by-step explanation:

minus 25 from each side

1+-25+4w^2+4w=25+-25

combine like terms

-24+4w^2+4w=0

factor out the greatest Common factor

4(-6+w+w^2)=0

factor a trinomial

4((-3+-1w)(2+-1w))=0

I hope this helps!

6 0
3 years ago
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