Answer:
-5 divide by 28
Step-by-step explanation:
so the question supposed be " 15-20 divided by 2(4) + 20
15-20 which is also 15 + (-20)= -5
2(4)=8, 8+20=28
so it can simplify into -5 / 28
(hope it helps :)
Hilda adds 5 to a number, then multiplies the sum by negative 2. The result is 6.
Answer:
The answer would be negative 8 because -8 + 5 = -3 and -3 x -2 = 6
Step-by-step explanation:
The answer would be negative 8 because -8 + 5 = -3 and -3 x -2 = 6
hi please help :)????
there's not information for me to help. what are the choices in the word box?
In a batch of 8000 clock radios 5% are defective. A sample of 13 clock radios is randomly selected without replacement from the 8,000 and tested. The entire batch will be rejected if at least one of those tested is defective. What is the probability that the entire batch will be rejected
Answer:
Step-by-step explanation:
P(A)=1−P(not A)
We can use this here. Event A is that the clock is defective, so Event (not A) means the clock works.
0.02=1−P(not A)
P(not A)=0.98
Therefore, for all the clocks to pass, the probability is P(not A)11.
Now again, we can use complementary counting.
(probability of all clocks failing) = 1 - (probability of all clocks passing)
Probability of all clocks failing = 1−P(not A)11
Parallel to y= -3/4x + 1 passes through (8,5)
Answer:
y=-3/4x+11
Step-by-step explanation:
Graph the point and draw a line having -3/4 as a slope and see what the y intercept of that same line is. Then that y intercept goes after the -3/4x in the new equation.
Triangle ABC is reflected across the line y=2x to map onto triangle RST. Select all statements that are true.
Question 3 options:
AB=RS
AB=2RS
ΔABC~ΔRST
△ABC≅ΔRST
m∠BAC=m∠SRT
m∠BAC=2m∠SRT
The given reflection transformation is a rigid transformation, such that the dimensions are preserved
The statements that are true about the image of triangle ABC following a reflection Bout the the line y = 2·a are;
AB = RSΔABC ≅ ΔRSTm∠BAC ≅ m∠SRTReasons:
The given parameters are;
Triangle ΔABC is reflected across the line y = 2·x
Given that a reflection is a rigid transformation, we have;
The distance between two points on a preimage is the same as the distance between the corresponding points on the image;
Therefore;
ΔABC is congruent to ΔRST by Side-Side-Side SSS, rule of congruency, such that we have;
AB ≅ RS, BC ≅ ST, and AC ≅ RT
m∠BAC ≅ m∠SRT
m∠BCA ≅ m∠STR
m∠BAC ≅ m∠SRT
Therefore;
The true statements are;
AB = RSΔABC ≅ ΔRSTTherefore;
m∠BAC ≅ m∠SRT given that ΔABC ≅ ΔRSTLearn more here:
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3 over 7 = blank over 35
Answer:
15/35
Step-by-step explanation:
7 x ? =35
7 x 5 =35
whatever you do to the bottom , you do to top so you times 3 by 5.
3 times 5 = 15, therefore, it is 15/35
Answer:
15 over 35
Step-by-step explanation:
35/7 = 5
5*3 = 15
then:
3/7 = 15/35
need help!! I would give you brainliest if it is correct <3
Answer: No
Step-by-step explanation:
Write an equation of the parabola in vertex form. (-2, 6) (-1, 3)
An equation of the parabola is y=
The equation of the parabola is y = -3(x + 2)^2 + 6
How to determine the parabola equation?From the graph, we have:
Vertex, (h,k) = (-2,6)Point (x,y) = (-1,3)A parabola is represented as:
y = a(x - h)^2 + k
Substitute (h,k) = (-2,6)
y = a(x + 2)^2 + 6
Substitute (x,y) = (-1,3)
3 = a(-1 + 2)^2 + 6
Evaluate
3 = a + 6
Subtract 6 from both sides
a = -3
Substitute a = -3 in y = a(x + 2)^2 + 6
y = -3(x + 2)^2 + 6
Hence, the equation of the parabola is y = -3(x + 2)^2 + 6
Read more about parabola at:
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the simple interest on $700 for 2 years at 10% is ?
Answer:
140
Step-by-step explanation:
∫P=700
∫T=2
∫R=10% after a few calculating you get 140.....the answer is right just sorry for my bad explaining
Explain how you can mentally determine that 35000 divided by 70 is 500
in a sale, a clothes shop reduces its price by 45%.a shirt usually costs $27how much is it on sale?
120-20/10+2
help quick due in 10 min
Answer:
120
Step-by-step explanation:
120-20/10+2
=120-2+2
=120
please help with these question, giving brainliest :)
Answer:
Step-by-step explanation:
Can someone explain this to me
Angle ADB is a right angle --- Given
Angle ADB is 90 degrees --- Definition of a Right Angle
Angle CDB is 90 degrees --- Definition of Supplementary Angles
Angle ADB = Angle CDB --- Definition of Congruent Angles
Proofs can be tricky! What helps me is thinking through them step by step and how I would prove I did something. While I'm not entirely sure what options you have for this proof, I've given my best guess.
Hope this helps!! :)
jasmine's cell phone company charges her $35 for the month plus an additional $1.50 for everyday she goes over her data. this month, she was charged $44. how many days did she go over her data?
Answer:
6 days
Step-by-step explanation:
$44 - $35 = $9
$9/$1.50 = 6 days
What number is 15.26 more than the difference of 346.18 and 215.37?
Answer:
146.07
Step-by-step explanation:
Let's take this question one step at a time. First, we'll find the difference of 346.18 and 215.37. This is equivalent to 130.81. Then, we have to find the number that's 15.26 more than 130.81, and this is equivalent to 146.07. So, our final answer is 146.07.
If you have any further questions, let me know!
The square of the sum of two consecutive positive even integers is greater than the sum of their squares by 48. Find the two integers.
Answer:
4 and 6 or -6 and -4Step-by-step explanation:
Let the numbers are 2x and 2x + 2.
We have:
(2x + 2x + 2)² = (2x)² + (2x + 2)² + 484(2x + 1)² = 4x² + 4(x + 1)² + 48(2x + 1)² = x² + (x + 1)² + 124x² + 4x + 1 = x² + x² + 2x + 1 + 122x² + 2x - 12 = 0x² + x - 6 = 0(x - 2)(x + 3) = 0x = 2, x = -3The numbers are:
4 and 6 or - 6 and - 4
Question:What is the equations of this function?
Plz help will give brainiest
HELP I NEED AN ANSWER ASAP!! IM BEING TIMED!!
For this year‘s prom, 35/12 grade students and 28th 11th grade students voted on the theme. The segment take a bar graph below shows the distribution of responses.
Based on the segmented bar graph, does there appear to be an associates between grade level and prom theme?
A yes, there is a different number of students in each class.
B yes, it appears that the 12th grade students prefer the 1920s more than the 11th grade students, and prefer the beach party less.
C no, both distributions of student preferences have the same four categories.
D no, both distributions of student preferences have about the same preference for each of the prom themes.
E no, by the same number of students in each class. Preferred winter wonderland and masquerade ball as prom themes.
Answer:
B
Step-by-step explanation:
Logically and if you observe the graph closely ┐( ∵ )┌
The answer is yes, there appears to be an association between grade level and prom theme based on the segmented bar graph. The Option B is correct
Is there an association between grade level and prom theme?The graph shows that 12th-grade students prefer the 1920s theme more than the 11th-grade students do, and they also have a lower preference for the beach party theme. This indicates a difference in preferences between the two grade levels for these specific prom themes.
This graph provide information on whether both distributions have the same four categories or whether they have the same preference for each of the prom themes, so, its indicate whether the number of students in each class is the same or not.
Read more about Graph
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Find the length of the third side. If necessary, round your the nearest tenth.
Answer:
24
Step-by-step explanation:
Use Pythagorean theorem,
base² + altitude² = hypotenuse²
7² + altitude² = 25²
altitude² = 25² - 7²
= 625 - 49
= 576
altitude = √576
altitude = 24
_________
[tex] \: [/tex]
b² = c² - a²
b² = 25² - 7²
b² = 625 - 49
b² = 576
b = √576
b = 24
Which of the following is a Platonic solid?
A torus
B. sphere
C. tetrahedron
D. cylinder
Answer:
c. tetrahedron
Step-by-step explanation:
findthe classification schemes of a fungues
Step-by-step explanation:
The five true phyla of fungi are the Chytridiomycota (Chytrids), the Zygomycota (conjugated fungi), the Ascomycota (sac fungi), the Basidiomycota (club fungi) and the recently described Phylum Glomeromycota.
Kyle, Meg & Dan share some money in
the ratio 3:2:7
What fraction of the money does Meg get?
Answer: 1/5 of the money
Step-by-step explanation:
The ratio shows that Kyle gets 3 parts of the money, Meg gets 2 parts of the money, and Dan gets 7 parts of the money. Simple addition lets us know there are 10 parts of the money, and because Meg got 2 of them, she has 2/10ths of the money, or 1/5.
Hope it helps :) and let me know if you want me to elaborate.
The sixth-grade classes have 28, 20, 30, and 25 students. What is the mean number of students in a class?
Answer:
25.75
Step-by-step explanation:
mean=sum of all numbers/number of numbers given
we have 4 numbers given 28,20,30 and 25
mean=28+20+30+25/4
mean=103/4
mean=25.75 :)
I need helppp plzz
i'll brainliest
Answer:
Step-by-step explanation:
Since B is the midpoint, AB must be equal to BC.
AB = BC
7x - 4 = 3x + 32
Isolate the variable
7x - 4 = 3x + 32
4x = 36
x = 9
Now solve for one side.
AB = 7x - 4
AB = 7(9) - 4
AB = 59
Since both sides are equal, finding AC just means multiplying one side by 2.
AC = AB * 2
AC = (59) * 2
AC = 118
You can double check by finding the other side and multiplying by 2.
BC = 3x + 32
BC = 3(9) + 32
BC = 27 + 32
BC = 59
AC = BC*2
AC = 59*2
AC = 118
Let me know if you have any questions!
3 pls pls pls help me
Answer:
I think the answer is c
Step-by-step explanation:
Can someone explain how the following Matrix can be multiplied? I thought the column of the first matrix had to match the row of the second and the row of the first had to match the column of the second. I how the matrices listed below as (1x3) and (3x3) respectively. Yet my online Pre-cal course says it's possible. Please explain why this is so.
You are correct in thinking that the columns of the first matrix must match with the rows of the second matrix.
So for example, we can multiply a 1 x 5 matrix with a 5 x 7 matrix. The two matching '5's are directly what make multiplication possible in this case. For your problem, the first two '3's match and multiplication is possible.
The rows of the first matrix don't need to match with the columns of the second matrix.
A different store needs to make at least $20,000 to make a profit in March. They average $685 a day for the month. James used rounding and estimation to say, “$685 is almost $700. $700 × 30 days is $21,000. I think it is going to be a close call!” What do you think?
Viola makes gift baskets for Mother’s Day. She has 13 baskets left over from last year, and she plans to make 5 more each day. If there are 15 work days until the day she begins to sell the baskets, how many baskets will she have to sell? I can't find the rule of the equation.
Answer:
88 blankets
Step-by-step explanation:
5 times 15 = 75
75 + 13 = 88
Ayuda por favor, no quiero reprovar