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Nuetrik [128]
3 years ago
11

Math equation that equals 600

Mathematics
2 answers:
Anna35 [415]3 years ago
5 0

Answer:

60 time 10

Step-by-step explanation:

BARSIC [14]3 years ago
4 0
400 x 2 - 200 = 600 that easy
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PLEASE HELP ME SEE IF MY ANSWERS ARE CORRECT!!!!!!!
Lena [83]
So first one
'how many solutions does 2x-y=-5 and 2x+y=5 have?'
add and get
2x-y-5
plus
2x+y=5

equals
2x+2x+y-y=5-5
4x=0
x=0 always
solve for y
4(0)+y=5
y=5
the solution is (0,5)
only <u>ONE </u>solution






one way is to subsitute
just remember that it is in (x,y) form so
the pont (1,2) means that 1 solution is x=1 and y=2 so subsitute and find that
the first one is the answer you are correct





just look at the graph
the solution is the intersection
it seems to be at a point that is 3 units to the right and -6 units up (6 units down)
so the solution is (3,-6)
yo are corect








subsitution
y=y
therefor
the answe ris (-4,-14) if you did the math correctly











#8 is correct

# 9 is correct




# 10 the answe ris bananas=0.40 pears=0.60


the  last one you got it wrong, remember to check your answer to the graph for commonsense
then answer is (-2,5) and (1,2)
8 0
3 years ago
A glacier that was 1,076 meters thick change in thickness at an average rate of -22.7 meter per year for 7 years.
-Dominant- [34]

1,076 (the original thickness) - 22.7 meters (loss per year) * 7 (lost 22.7 meters per year for seven years, so multiply the loss per year by the amount of years) = 917.1 (the size after 7 years)

A.K.A  1,076 - 22.7 * 7 = 917.1

i found this off of the internet so im sorry if its wrong

6 0
3 years ago
76225÷309 with remainder
Marianna [84]
The answer is <span>246.682848</span>
8 0
3 years ago
For each of the following claims, fill in the blanks in the provided hypotheses with inequalities. If your answer is "less than,
Leni [432]

Answer:

a) H0: μ=>3; Ha: μ<3

b) H0: μ<=110; Ha: μ>110

c) H0: μ=2.1; Ha: μ/=2.1

d) H0: μ=>70; Ha: μ<70

Step-by-step explanation:

The claims are usually expressed in the alternative hypothesis, for which we evaluate the evidence, usually sample statistics.

(a) Theory to be tested: The average number of children per household in the United States is less than 3.

In this case, the claim is that the mean is below 3 children per household. The null hypothesis will state then that the average number of children is 3 or more.

H0: μ=>3; Ha: μ<3

(b) Theory to be tested: The average weight of TAMU students is greater than 110 pounds.

The alternative hypothesis represents the claim that the mean is greater than 110. The null hypothesis, then will state that the mean is equal or less than 110.

H0: μ<=110; Ha: μ>110

(c) Theory to be tested: The average diameter of Saguaro cacti is not 2.1 feet.

In this case, the alternative hypothesis is represented by an unequal sign (the average diameter can be higher or lower). Then, the null hypothesis will state that the average diameter is equal to 2.1.

H0: μ=2.1; Ha: μ/=2.1

(d) Theory to be tested: In Belarus (former member of the Soviet Union, located near Chernobyl), the average life span is under 70 years.

The alternative hypothesis states that the average life span is under 70 years, so the null hypothesis will state that it is equal or more than 70 years.

H0: μ=>70; Ha: μ<70

3 0
3 years ago
Simplified quotient of x+8/x^2÷2x+16/2x^2?
sineoko [7]

Answer:

1

Step-by-step explanation:

The exprssion to be simplified is,

\frac{x + 8}{ {x}^{2}}  \div  \frac{2x + 16}{ {2x}^{2} }

=  \frac{x + 8}{ {x}^{2}} \times  \frac{ {2x}^{2} }{2x + 16}

= \frac{ {2x}^{3} +  {16x}^{2} }{{2x}^{3} + {16x}^{2}}

=1

8 0
3 years ago
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