Answer:
[tex]the \: students \: calculation \: was \\ based \:on\: addition \: of \: the \: numbers \\ without \: cosidering \: thier \: nagative \: signs.[/tex]
Meredith scores a 72% on her quiz. She
misses 7 questions. What is the change in
her score in percentage points for each
question she gets incorrect?
Answer:
The answer is 4.
Step-by-step explanation:
The total percent is 100%. You subtract 100% with 72% which is 28. Then, you divide 28 with 7 and voila! The answer is 4.
The change in her score in percentage points for each question she gets incorrect is 4%.
Using this formula
Change in score percentage=(100%-Scores %)/Number of missed questions
Where:
Scores %=72%
Number of missed questions=7 questions
Let plug in the formula
Change in score percentage=(100%-72%)/7
Change in score percentage=28%/7
Change in score percentage=4%
Inconclusion the change in her score in percentage points for each question she gets incorrect is 4%.
Learn more here:
https://brainly.com/question/19345514
What is the total number of digits required in numbering the pages of the book, which has 76 pages?
Answer:
152
Step-by-step explanation:
Please mark as brainliest.
what is the 12
th term rule of the linear sequence 13 7 1 -5 -11
Answer:
-53, f(n) = -6(n-1) + 13
Step-by-step explanation:
given the equation to this linear/arithmetic sequence for the nth term: f(n) = -6(n-1) + 13
f(12) = -6(12-1) + 13
f(12) = -6(11) + 13
f(12) = -66 + 13
f(12) = -53
*substitute and simplify*
______________
f(n) = f(1) + d(n-1)
given f(1) = 13, f(2) = 7, and f(3) = 1
7-13 = 1-7 = -6 = d
= f(1) + d(n-1)
f(1) = 13 so
the equation must be f(n) = 13 - 6(n-1) or -6(n-1) + 13
It costs $3.45 to buy3/4 lb of chopped walnuts. How much would it cost to purchase 7.5 lbs of walnuts? Explain or show your reasoning. l
Answer:
$34.5
Step-by-step explanation:
because 3/4 of a pound is basically .75 of a pound. so the conversion from .75 of a pound to 7.5 pounds is just multiplying by 10. therefor you just multiply the initial price by 10
Answer:
$34.50
Step-by-step explanation:
please give me brainliest
hello please will give brainliest!
Answer:
A.
Step-by-step explanation:
Just means for every 4 cans of soup, you need 3 pb jars
Cans of soup : jars of peanut butter
4:3
8:6
16:12
20:15
The midpoint M of QR has coordinates (6, 6). Point R has coordinates (5, 7). Find the
coordinates of point Q.
Write the coordinates as decimals or integers.
Answer:
(7,5)
Step-by-step explanation:
Question 4 of 5
Quadrilateral ABCD is reflected across the x-axis. What are the coordinates
of quadrilateral ABCD?
ADLY
01/2)
ch
A. A (5,5), B (5, 1), C(2, 1), D' (1,5)
B. A' (5-5), 8 (1.-5), C'(1, -2).
D'(5-1)
C. A'(-5-5), 8'(-1,-5), C (-1.-2)
D'(-5-1)
OD. A (5,5), B'(1,5), C' (1,2), D'(5, 1)
What is the equation of this line
A. Y = 2x - 3
B. Y = -1/2x - 3
C. Y = -2x - 3
D. Y = 1/2x - 3
Help please:)))
Find the equation of a line perpendicular to 4x - y = 2 that contains the point (4, -2). Write the equation in slope.
intercept form.
Answer:
y = -1/4x - 1
Step-by-step explanation:
First, put the equation in slope intercept form:
4x - y = 2
4x - 2 - y = 0
4x - 2 = y
y = 4x - 2
Perpendicular lines have opposite reciprocal slopes. Since the original slope is 4, the other line's slope will be -1/4
Plug in the given point and the slope into y = mx + b, then solve for b:
y = mx + b
-2 = -1/4(4) + b
-2 = -1 + b
-1 = b
Plug in the slope and b into the equation:
y = -1/4x - 1 is the equation
Participation Quiz 10-23-2020 NEED HELP PLZZZZZ!!!!
Question 1 options:
m∠A = _____˚
m∠B = _____˚
m∠C = _____˚
m∠X = _____˚
m∠Y = _____˚
m∠Z = _____˚
Segment AB = _____ units
Segment BC = _____ units
Segment AC = _____ units
Segment XY = _____ units
Segment YZ = _____ units
Segment XZ = _____ units
Answer:
angle A is 53°
angle B is 90°
angle C is 37°
angle X is 53°
angle Y is 90°
angle Z is 37°
AB=3
BC=4
AC=5
XY=3
YZ=4
XZ=5
HELP
Figure EFGH is transformed to E'F'G'H, as shown:
Which of the following sequences of transformations is used to obtain figure E'F'G'H and EFGH
Answer:
It would be C. Hope this helps
Find the product. Tell which strategy you used.
1. 5 X 7 X 20
2.
Answer:
The product is 700
Step-by-step explanation:
I just multiplied them If it correct plz give me brainliest thanks :)
Which term completes the product so that it is the difference of squares?
(-5x-3)(-5x+______)
-9
-3
3
9
PLEASE HELP:)
pls help me on this question it is geometry
Answer:
Contrapositive
Step-by-step explanation:
Original Statement: if p then q
Negation: not p
Contrapositive: if not q then not p
Inverse: if q then p
Converse: if not p then not q
Help meeeeeeeeeeeeee with thisssss please? i’l give brainiest or whatever it is called .
Answer:
16
Step-by-step explanation:
the amount of peppers are double the amount of servings, 8x2 = 16
Answer:
16
Step-by-step explanation:
8-4/ 4-2= 2
8 x 2= 16
find the missing
number
+ 16 = 28
Write an equation for the line that is parallel to y = 3/5x - 8 and goes through
the point (-15,-23)
Answer:
y=3/5x-14
Step-by-step explanation:
parallel lines have the same slope, so m=3/5
y=mx+b
-23=3/5(-15)+b
-23=-9+b
-14=b
y=mx+b
y=3/5x-14
what is the volume of 2 G piece of gold? (Best answers gives brainlist answers)
Answer:
2 grams
Step-by-step explanation:
2 grams of gold is equivalent to 2 grams
Pleaseeeeeeee, help meeeeeeee
kikaksyvjabsjxjjcjallalalalakjdiloveyouhahahahjss
Mrs. Perez has 28 students and 5
7
of those students participate in school sports. How many of Mrs. Perez’s students participate in school sports?
Answer:39 1/5
Step-by-step explanation:
Evaluate the expression for a = 4, b = 5, and c = −4. 17 − 7(a − b)2 =
17 -7 ( 4 - 5 ) square = 17 -7 ( 1) = 17 - 7 ×1 = 17 -7 = 10 is the answer.
A 2-column table with 5 rows. Column 1 is labeled Key Words with entries three, times, the difference of, nine, a number. Column 2 is labeled Replace With entries 3, times (minus), 9, h.
Write and evaluate the expression. Then, complete the statement.
three times the difference of nine and a number
Write and evaluate the expression. Then, complete the statement.
three times the difference of nine and a number
The value of the expression when h = 5 is ????
Answer:
12
Step-by-step explanation:
3(9-h) is the equation used for this problem h=5
9-5=4 3x4=12
hope this helps!
Choose the simplified form of the expression,
5x + 6x?- 2x + x
I need it fast please!!!
Answer:
10x
Step-by-step explanation:
If the question mark is an accident, the answer is 10x.
5x+6x-2x+x
11x-2x+x
9x+x
10x
Julie has a bag of flour that holds 20 cups of flour. She needs 4 cups for each loaf of bread.
How many loaves of bread can she make? Explain.
A submarine descends to a depth of 600 feet below the surface in 10 minutes. At this rate, what integer represents the change, in feet, of the submarine's position after one minute?
I really need help.
A submarine descends to a depth of 600 feet below the surface in 10 minutes. At this rate, what integer represents the change, in feet, of the submarine's position after one minute?
First you need to list what you're given.
A submarine descends to a depth of 600 ft below the surface in 10 minutes. The question is asking for the change of the submarine's position after one minute. This can be represented as fractions in terms of [tex]\frac{distance}{time}[/tex].
[tex]\frac{600}{10} = \frac{x}{1}[/tex]
You're looking for the value of x. First you need to cross-multiply.
[tex]600 \times 1 = 10 \times x\\600=10x[/tex]
Since you're looking for x alone, you need to divide both sides by 10. This will eliminate the 10 since x is being multiplied by 10, and 10 divided by 10 is 1, making it 1x or x.
[tex]\frac{600}{10} = \frac{10x}{10}[/tex]
[tex]60=x[/tex]
That means the submarine is descending at a rate of 60 feet per minute, which can be represented as -60.
If you're looking for the submarine's position after one minute, all you have to do is subtract 60.
600 feet below surface is represented as -600.
[tex]-600-60=-660[/tex]
The submarine's position after one minute is 660 feet below surface(-660).
can someone please help me
Answer:
what do you need?
Step-by-step explanation:
Answer:
The first is
Basketball : 2
Football :0
Nd da 3rd one (donno da name) : 4
Step-by-step explanation:
Please mark as brainliest
Nash is training for a marathon and decides to train for 26 miles every week. In the first week, the ratio of the number of miles he ran to the number of miles he walked was 3:10. Use Scratchpad to draw tape diagrams to represent this ratio. How many miles did Nash run in week 11?
Answer:
78
Step-by-step explanation:
you do 3 *26
(11 . 10) . 6 = 6 . (11 . 10)
true or false
Answer:
True
Step-by-step explanation:
I think it's right je8e
Please help with this math problem!!!!! ASAP please thanks! The photo is attached
Answer:
The answer will be the 2nd answer!
Step-by-step explanation:
Your Welcome!!
What is the value of cos(tan-1(0))?
–1
0
1
StartFraction pi Over 2 EndFraction
Answer:
answer is 1
Step-by-step explanation:
just did test on edge
The value of cos(tan^-1(0)) is 1. Therefore, option C is the correct answer.
We need to find the value of cos(tan^-1(0)).
What are the trigonometric ratios?In mathematics, trigonometric functions are real functions which relate an angle of a right-angled triangle to ratios of two side lengths. The six trigonometric ratios are sine (sin), cosine (cos), tangent (tan), cotangent (cot), cosecant (cosec), and secant (sec).
Now, cos(tan^-1(0))
⇒tan^-1(0)=0
⇒cos(0)=1
The value of cos(tan^-1(0)) is 1. Therefore, option C is the correct answer.
To learn more about trigonometric ratios visit:
https://brainly.com/question/1201366.
#SPJ5