Answer: Gradpoint
C.
x – 7
Step-by-step explanation:
Answer:
It would be Choice A, x = 7
Step-by-step explanation:
So with this, it wants for you to factor out x^2-8x+7.
Since we already have one of the factors, (x-1), this removes most of the work with it. The task is to find the second factor.
With this, the FOIL method is needed. First, Outer, Inner, and Last of each factor are multiplied. Note that the ending numbers of the factor should multiply to give the final number of the standard form. Also, the middle value of the standard form should be the addition of each of the numbers * the x value.
Choice A:
x^2 – 8x + 7
(x-1)(x-7)
Choice A is correct as it follows the rules given above.
Choice B:
x^2 – 8x + 7
(x-1)(x+7)
Choice B is incorrect, because it would be x^2+6x-7 if FOIL is done.
Choice C:
x^2 – 8x + 7
(x-1)(x+8)
Choice C is incorrect, because it would be x^2+7x-8 if FOIL is done.
Ariel uses 7/8 of a cup of vinegar in her salad dressing recipe. How much vinegar would Ariel use to make 1/2 of a recipe? show calculation and final answer.
At the beginning of the school year, there
were 1200 students enrolled at Elmwood
Middle School. At the end of the year, there
were 1128 students. Find the percent of
change in enrollment.
Answer: 6% decrease
Step-by-step explanation:
Answer:
6% decrease
Step-by-step explanation:
Given that,
Initial number of students = 1200
At the end of the year there were 1128 students
We need to find the percent of change in enrollment.
Change in enrollment = 1200 - 1128 = 72
The percentage of change is :
[tex]\%=\dfrac{\text{change in students}}{\text{initial students}}\times100\\\\\%=\dfrac{72}{1200}\times 100\\\\=6\%[/tex]
So, there is a decrease of 6% in number of students.
I’ll give BRAINLIEST. Create an inequalities system where one of the equations have “-x” as a slope. The other could be anything of your choosing.
What is another way to write the ratio 3:1?
A) 3 to 1
B) 1:3
C) 1 out of 3
The answer would be A, 3 to 1 because order matters in this case its not B or C
Find the area of this circle. Use 3 for .
A = 7r2
18 in
[?] in2
Answer:
Area of a circle = πr^2 if pi here = 3
then (3 × 81) in^2 = 243 in^2
Hope it helps
Answer:
The area of circle is 254.34 in².
Step-by-step explanation:
Given :
[tex]\small\purple\bull[/tex] Diameter of circle = 18 inTo Find :
[tex]\small\purple\bull[/tex] Radius of circle [tex]\small\purple\bull[/tex] Area of circleUsing Formulas :
[tex]\star{\small{\underline{\boxed{\sf{\pink{R = \dfrac{D}{2}}}}}}}[/tex]
[tex]\blue\star[/tex] R = radius [tex]\blue\star[/tex] D = diameter[tex]\star{\small{\underline{\boxed{\sf{\pink{Area_{(Circle)} = \pi{r}^{2} }}}}}}[/tex]
[tex]\blue\star[/tex] π = 3.14 [tex]\blue\star[/tex] r = radiusSolution :
Here we have given that diameter of circle is 18 in. So, finding the radius of circle :
[tex]\implies{\sf{Radius = \dfrac{D}{2}}}[/tex]
[tex]\implies{\sf{Radius = \dfrac{18}{2}}}[/tex]
[tex]\implies{\sf{Radius = \cancel{\dfrac{18}{2}}}}[/tex]
[tex]\implies{\sf{Radius = 9 \: in}}[/tex]
[tex]\star{\underline{\boxed{\sf{\red{Radius = 9 \: in}}}}}[/tex]
Hence, the radius of circle is 9 in.
[tex]\rule{200}2[/tex]
Now, we know the radius of circle is 9 in. So, finding the area of circle by substituting the values in the formula :
[tex]\implies{\sf{Area_{(Circle)} = \pi{r}^{2}}}[/tex]
[tex]\implies{\sf{Area_{(Circle)} = 3.14\times {(9)}^{2}}}[/tex]
[tex]\implies{\sf{Area_{(Circle)} = 3.14\times {(9 \times 9)}}}[/tex]
[tex]\implies{\sf{Area_{(Circle)} = 3.14\times (81)}}[/tex]
[tex]\implies{\sf{Area_{(Circle)} = \dfrac{314}{100} \times 81}}[/tex]
[tex]\implies{\sf{Area_{(Circle)} = \dfrac{314 \times 81}{100}}}[/tex]
[tex]\implies{\sf{Area_{(Circle)} = \dfrac{25434}{100}}}[/tex]
[tex]\implies{\sf{Area_{(Circle)} = 254.34 \: {in}^{2} }}[/tex]
[tex]{\star{\underline{\boxed{\sf{\red{Area_{(Circle)} = 254.34 \: {in}^{2}}}}}}}[/tex]
Hence, the area of circle is 254.34 in².
[tex]\rule{300}{1.5}[/tex]
I NEED HELP WITH THIS PLS HELP!!!
Answer:
29.7 m^3
Step-by-step explanation:
Hope this helps
hii! please help asap. i’ll give brainliest
Answer:
4
Step-by-step explanation:
The numbers you have are 2, 2, 3, 4, 8, 8, 8
First, cross out 2 on the very left and 8 on the very right.
Then you are left with 2, 3, 4, 8, 8, Then cross out the 2 on the left and the 8 on the right, and you are left with 3, 4, 8. Cross out the 3 and 8, and you are left with the median, 4.
If this helps, make sure to rate it 5 stars and give me brainliest and a thanks!
pls helpppp i don’t understanddd
Answer:
well it asking for a vowel I think and the only vowel that is on there that is not (Y) is (A) so I would think it would be 1
can anyone help with this ??
What does the mean, median, mode mean?
Step-by-step explanation:
Mean= add all of the terms together and divide by the amount of terms
median= put all the terms in order and the middle number is the median
mode= the value the appears the most frequently
on a venn diagram shade the region
a'n(bnc)
Answer:
See the three attached images.
Step-by-step explanation:
image1 shows the intersection of b and c: [tex]b \cap c[/tex]. (green "football")
image2 shows the complement of a (outside a): [tex]a'[/tex] (yellow)
image3 shows the intersection of those sets: [tex]a'\cap (b\cap c)[/tex] (green "football with a bite out of it") :-)
What triangles can you make out of a rhombus
Answer:
Congruent Triangles: Remember that in a parallelogram, the diagonals split the parallelogram into two pairs of congruent triangles? Well, in a rhombus, the diagonals split the rhombus into four congruent triangles. Yes, that's right, all four of those little triangles are congruent.
Hope it helps ya mate! please give me brainliest!.ت︎ ت︎
Jennifer used a coupon that she cut out of the newspaper to save $1.25 on a nontaxable item at the
store. The cost of the item was $5.49. What was the total amount that she paid for the item?
Answer:
$4.24
Step-by-step explanation:
Subtract the total amount of the coupon from the price of the item. 5.49 - 1.25 = 4.24
hey! i’ll give brainliest please help.
Answer:
I think Darius I is the correct answer.
Find the surface area of the prism.
A triangular prism. The base triangle is a right triangle with a base of 8 centimeters, slant height of 17 centimeters and height of 15 centimeters. The height of the prism is 7 centimeters.
Answer:
400cm²
Step-by-step explanation:
Total surface area of a prism includes the area of the top and bottom triangle sides of the prism, plus the area of all 3 rectangular sides.
Base & Bottom triangle area: 2 x [(8 x 15)/2] = 120cm²
Side triangle area: 17 x 7 + 8 x 7 + 15 x 7 = 280cm²
Total surface area = 280 + 120 = 400cm²
Which best explains how to find the volume of a prism?
Find the height of the base and multiply it by the length.
Find the width of the base and multiply it by the height.
Find the area of the base and multiply it by the height.
Find the area of the lateral sides and multiply it by the height of the base.
Answer:
Find the area of the base and multiply it by the height
Step-by-step explanation:
Volume Rectangular Prism = L x W x H
L x W = Area base
So it is Area of base x height
If my answer is incorrect, pls correct me!
If you like my answer and explanation, mark me as brainliest!
-Chetan K
whats the volume ?????
Answer:
Step-by-step explanation:
Multiply the three dimensions
12 x 6 x 8 = 576 cm^3
A rectangular portrait is 5 feet wide and 6 feet high. It costs $4.00 per foot to put a gold frame around the portrait. How much will the frame cost?
Answer:
The frame would cost $88
Step-by-step explanation:
The problem is asking for the perimeter basically. The formula to find the perimeter is P = 2l + 2w. So plug in 5 where there is a 'w' and plug in 6 where there is a 'l'.
22= 10+12
Now that you have the perimeter, you'll have to find the cost of the frame. Just multiply 22 by the 4 dollars to get your answer.
Write [tex]cot^{2} x (1+tan^{2} x)[/tex] Then simplify the expression so no quotients appear
Step-by-step explanation:
[tex] { \cot^{2}x}(1 + \tan^{2}x) \\ = \frac{1}{ \tan^{2}x} (1 + \tan^{2}x)[/tex]
[tex] = \frac{1}{ \tan^{2}x } + 1[/tex]
[tex] = \frac{ \cos^{2} x }{ \sin^{2}x } + 1 = \frac{ \cos^{2}x + \sin^{2}x}{ \sin^{2} x } [/tex]
[tex] = \frac{1}{ \sin^{2}x } = \csc^{2} x[/tex]
i just found out i got a 361 on my math test and i need a 400 to pass lol
so um can anyone tell me my percentage
did i get a 60 or something
Answer:
361 out of 400 is 90.25%
Step-by-step explanation:
The campus cafeteria gives a 20% discount to students.If the group's dinner regulary cost $36 , how much would a group of students acutally pay for dinner?
Answer:
If they buy the dinner at $36 with 20% discount, they will pay 28.8 dollars.
15. What is the height of a triangular pyramid that has a volume of 512 cubic feet, a base length of 24 feet, and a base height of 8 feet? feet (do not enter label) Round to the nearest TENTH if necessary. please do not send website
Answer:
16 ft
Step-by-step explanation:
height of pyramid = (3×512)/(½×24×8)
= 1536/96
= 16 ft
What was Ahmed's first error? In Step 1, the radius should be found by multiplying the diameter by 2. In Step 2, the formula 2 pi r should be used to find the area of the circle. In Step 3, the resulting area should be in terms of pi. In Step 4, the units of the resulting volume should be Centimeters squared.
Answer:
Step 2
Step-by-step explanation:
To find the area you do pi x r^2.
He did 2 x pi x r which finds the circumference,
need help to pass please
Answer:
x=1
Step-by-step explanation:
a(a+b)=c(c+d)
4(6x+4)=5(3x+5)
24x+16=15x+25
9x=9
x=1
2a+b if a=2 b=4 explain it
write an absolute value equation that has one solution of 17
Answer:
|x| - 17 = 0
Step-by-step explanation:
If sine > 0 and tane < 0 then:
Answer:
its A
Step-by-step explanation:
PLEASE HELP GIVING 70 POINTS NEED THIS BEFORE 2:30
Answer:
(-4,2)
Step-by-step explanation:
A reflection means you flip the graph up, then the point goes to (-4,2).
If this helps please mark as brainiest would really appreciate it
Answer:
4,2
Step-by-step explanation:
Which is a factor of 45x^4−5x^2? Show work.
a. 5x+2 b. 9x−1 c. 6x+5 d. 3x−1
Answer:
d. 3x - 1.
Step-by-step explanation:
45x^4−5x^2
The GCF is 5x^2 so we have:
5x^2(9x^2 - 1)
The expression in the parentheses is the difference of 2 squares so:
= 5x^2(3x - 1)(3x + 1)
PlZZ help me
Three people, Needcash, Wantmoney and Luvdough, share in a business in the
ratio of 4: 6:5. The profits are shared in the same ratio. If the business had a total
profit of $277 500, use proportions to determine how much would
Wantmoney receive?
Answer:
$111000
Step-by-step explanation:
[tex] \frac{277500}{ 4 + 6 + 5 } \\ = 18500 \\ \\ 18500 \times 6 = 111000 \: - the \: amount \: wantmoney \: would \: receive[/tex]