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3 years ago

Please Help, I don't understand how to solve this!! Will mark BRAINLIEST!!!

Mathematics

2 answers:

egoroff_w [7]3 years ago

8 0

Answer:

5/4

Step-by-step explanation:

First plot any2 points. Next count how many units it is High and Left/Right to get to the second point!

(Added your graph for further explaination :)

Alex Ar [27]3 years ago

7 0

First, determine 2 points on the graph. I'd recommend to choose 2 points that are next to each other to make it easier.

Second, see how many units higher the first point you chose (on the left) is than the second point you chose (on the right). Say it is 3 units, then you mark a points 3 units above the first point.

Third, see how many units to the right the second point is to the first. If it is 5 units, you would go to the point you marked on the previous step, and move 5 units to the right. If you did it correctly, it should end up on the second point you chose. The segment you drew should kind of look like a box.

Now, make a proportion. Put how many units you rose in the second step at the top, and how many you ran at the bottom. Treat this like a fraction and simplify. You have your slope!

Going higher and to the right is the formula rise/run. How many units do you rise, how many do you go right? I recommend doing this when finding slope on a graph

Hope I helped!!!!!!!!!!!!! :)

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For the scientific notation, write the standard form: 5.61 x 102

zhenek [66]

Answer:

The standard form is 5.61 x 10^2

Step-by-step explanation:

The standard form for a scientific notation is expressed as A * 10^n

A is any value between 1 and 10

n is an integer

Given the notation 5.61 x 10^2, this is already in scientific notation since;

A = 5.61 which is between 1 and 10 and n = 2 which is a positive integer

5 0

3 years ago

Help me on number problem 3 please

ss7ja [257]

A hot dog is $2 and a hamburger is $1.50.

Simple explanation:
Make a system of equations:
h=number of hot dogs, b=number of hamburgers
1h + 2b = $5
3h + 2b = $9
Solve
h=$2, b=$1.50
Long explanation:
The difference between them is tha Gage bought 2 more hot dogs than Josh, and Gage had to pay 4 more $. So, the price of one hot dog must be 4/2=$2.
Now we know that one hot dog costs $2.
To find the price of a hamburger, choose one person and calculate the price of the hot dogs he brought, and subtract that result from the price he paid. Then, divide that difference by the number of hamburgers he bought to get the price of a hamburger.
The price of Gage’s hot dogs is 3x2=$6. He paid $9, so that is $3 more than 6. He also bought 2 hamburgers, so the price of one hamburger is $3/$2=$1.50.
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3 years ago

Gears produced by a grinding process are categorized either as conforming (suitable for their intended purpose), downgraded (uns

Svetach [21]

Answer:

A. P=0.4013

B. P=0.9884

C. P=0.3222

Step-by-step explanation:

We can model this with a binomial random variable.

The sample size is n=10.

The probability is p=0.05 for scrap and p=0.05+0.15=0.20 for degraded or scrap.

The probability of having k scrap gears in the sample is:

$P(x=k) = \dbinom{n}{k} p^{k}(1-p)^{n-k}\\\\\\P(x=k) = \dbinom{10}{k} 0.05^{k} 0.95^{10-k}\\\\\\$

The probability that one or more is scrap can be calculated as 100% less the probability that no one is scrap:

$P(x\geq1)=1-P(x=0)\\\\\\P(x=0) = \dbinom{10}{0} p^{0}(1-p)^{10}=1*1*0.5987=0.5987\\\\\\P(x\geq1)=1-0.5987=0.4013$

The probability that 8 or more are not scrap is equal to the probability of having 2 or less that are scrap:

$P(x\leq2)=P(x=0)+P(x=1)+P(x=2)\\\\\\P(x=0) = \dbinom{10}{0} p^{0}(1-p)^{10}=1*1*0.5987=0.5987\\\\\\P(x=1) = \dbinom{10}{1} p^{1}(1-p)^{9}=10*0.05*0.6302=0.3151\\\\\\P(x=2) = \dbinom{10}{2} p^{2}(1-p)^{8}=45*0.0025*0.6634=0.0746\\\\\\P(x\leq2)=0.5987+0.3151+0.0746=0.9884$

The probability that more than two are degraded or scrap (p=0.2) is calculated as:

$P(x>2)=1-P(x\leq2)=1-(P(x=0)+P(x=1)+P(x=2))\\\\\\P(x=0) = \dbinom{10}{0} p^{0}(1-p)^{10}=1*1*0.1074=0.1074\\\\\\P(x=1) = \dbinom{10}{1} p^{1}(1-p)^{9}=10*0.2*0.1342=0.2684\\\\\\P(x=2) = \dbinom{10}{2} p^{2}(1-p)^{8}=45*0.04*0.1678=0.3020\\\\\\P(x>2)=1-(0.1074+0.2684+0.3020)=1-0.6778=0.3222$

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3 years ago

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wlad13 [49]

Answer:

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Step-by-step explanation:

You have to divide 3,200 by 400 since thats how much he makes in a week

that gives you 8

and you do the same for the rest

equation:

money wanted/400=weeks

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