MATHEMATICS MIDDLE SCHOOL

What is the y intercept of -4x+8

Answers

Answer 1

Answer:

Answer: (0, 8) or 8

The y intercept is never the number before the x

Answer 2

Answer:

Answer:

The Y intercept is 8 I think

Step-by-step explanation:

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What is the surface area of the rectangular prism?125 m2

200 m2

250 m2

Answers

Answer:

Surface area =250 m^2

Step-by-step explanation:

Given the length of the prism is 10m

width is 5m and height is 5m

The formula for surface area =

2(length times width)+2(width times height)+2(height times length)

Plug in all the values in the formula

Surface area = $2(10 \cdot 5) +2(5 \cdot 5)+2(5 \cdot 10)$

$=100+50+100=250$

Surface area =250 m^2

$\n$Surface area of a rectangular prism = The sum of the areas of the 6 rectangles formed by the height length and width.\n$S_A = 2(5^2 + 5\cdot 10 + 5\cdot 10) = 250m^2$

A pitcher contains 40 fluid ounces of iced tea. Shelby pours 3 cups of iced tea. How many pints of iced tea are left in the pitcher? show your work.

Answers

1 fluid ounce is 0.125 cup
40 fluid ounce is 5 cup
shelby pours 3 cup
5 - 3 = 2
There is 2 fluid ounce left.
1 cup is 0.5 pint.
2 ÷ 0.5 = 1
There were 1 pint of iced tea left in the pitcher.

there is 1 pint of tea left in the pitcher

Miller has a painting that is 4 ft by 8 ft. What will the dimensions of the painting be if he scales it down by a factor of one-fourth ?

Answers

1 ft by 2 ft I believe

At the start of the year, 15 chameleons were introduced into a zoo. The population of chameleons is expected to grow at a rate of 41.42% every year. The function below models the population of chameleons in the zoo, where x represents the number of years since the chameleons were introduced into the zoo. A. The average rate of change in the population between year 4 and year 6 was 41 more than the average rate of change in the population between year 6 and year 8.
B. The average rate of change in the population between year 2 and year 4 was approximately half the average rate of change in the population between year 4 and year 6. C. The average rate of change in the population between year 4 and year 6 was the same as the average rate of change in the population between year 6 and year 8. D. The average rate of change in the population between year 2 and year 4 was approximately double the average rate of change in the population between year 4 and year 6.

Answers

Answer:

option-B

Step-by-step explanation:

We are given

At the start of the year, 15 chameleons were introduced into a zoo

so, $P_0=15$

The population of chameleons is expected to grow at a rate of 41.42% every year

so, r=0.4142

and x represents the number of years since the chameleons were introduced into the zoo

now, we can set equation to find total population

and we get

$P(x)=P_0(1+r)^x$

now, we can plug values

$P(x)=15(1+0.4142)^x$

$P(x)=15(1.4142)^x$

Average rate of change between 2 years and 4 years:

we can use formula

$A_1=(P(4)-P(2))/(4-2)$

now, we can plug values

$A_1=(15(1.4142)^(4)-15(1.4142)^(2))/(4-2)$

$A_1=14.99914$

Average rate of change between 4 years and 6 years:

we can use formula

$A_2=(P(6)-P(4))/(6-4)$

now, we can plug values

$A_2=(15(1.4142)^(6)-15(1.4142)^(4))/(6-4)$

$A_2=29.99770$

Average rate of change between 6 years and 8 years:

we can use formula

$A_3=(P(8)-P(6))/(8-6)$

now, we can plug values

$A_3=(15(1.4142)^(8)-15(1.4142)^(6))/(8-6)$

$A_3=59.99425$

now, we will check each options

option-A:

we can see that

$A_3-A_2=30$

So, this is FALSE

option-B:

$A_1=(1)/(2)A_2$

So, this is TRUE

option-C:

This is FALSE

option-D:

we got

$A_1=(1)/(2)A_2$

so, this is FALSE

Answer:

did u ever find an answer to this question?

Step-by-step explanation:

SURDSPlease could you provide the answers for the following.

Please could you number each one and write out the question.

Thanks.

Loads of points for the answer!

See the attachment below for questions.

Answers

1) √3 √7 = √21
2) √5 √245 = √5 √5 * 49 = √5 * 7√5 = 7 √5 * 5 = 7 √25 = 7 * 5 = 35
3) √77 ÷ √11 = as is. can't be simplified.
4) (√59)² = 59 ; the square root was cancelled by squared.
5) 3√6 x 8√7 = 3 * 8 √6 * 7 = 24 √42
6) 5√3 x 6 √3 = 5 * 6 √3 * 3 = 30 √9 = 30 * 3 = 90
7) 40√30 ÷ 5√3 = (40 / 5) * (√30 /√3) = 8 * ((√3 *10) / √3) = 8 √10
8) (6√5)² = 6² * √5² = 36 * 5 = 180

an art student uses a roll of wallpaper to decorate two gift boxes the student will use 1 1/3 yards of paper fo one box and 5/6 yars of paper for the other box the paper must be cut into pieces that are 1/6 yard long how many pieces will the student cutr to use for the gift boxes