There are 45 students in a speech contest. Yesterday, 2/3 of them gave their speeches. Today, 4/5 of the remaining students gave their speeches. How many students still haven't given their speeches

Answers

Answer 1
3 students because 2/3 of 45 is 30 then 4/5 of 15 is 12 so 3 students still haven’t gone
Answer 2
45 x 2/3 = 30
45-30 = 15

15 x 4/5 = 12
15-12= 3

3 have not yet given their speeches.



Related Questions

Can someone please help me with this, btw don’t mind the white-out

Answers

Answer:

x< 10

Step-by-step explanation:

To start the absolute difference between 20 and 5 is 15. Next, write out an equation for the problem:

x * 1.5 < 15,

Then divide by 1.5 on both sides...

Boom! x < 10.

Please help I will mark as brainliest!!

Answers

Answer:

117°

Step-by-step explanation:

x= 180-101+38= 117°

what is a prime number.?

Answers

Answer:

prime numbers are the natural numbers greater than one that are not products of two smaller natural numbers

Step-by-step explanation:

Answer:

A prime number is a number that is divisible by itself and cannot be divided by any other number only by itself.

For example, 5 is a prime number because nothing can divide into 5 except for itself.

Find the value of x

please helppp

Answers

2 • xy (midsegment) = sum of the bases

Plug in the numbers

2 • 12.5 = 3x + 1 + 15

Add 1 and 15 together

25 = 3x + 16

Subtract 16 on both sides and you should get:

9 = 3x

Divide both sides by 3

9/3 = 3x/3

Answer:

3 = x

Salvador has a rug in his bedroom with perimeter of 36 feet, the length of the rug is 8 feet what is the width of the rug?

Answers

Answer:

10 feet

Step-by-step explanation:

Salvador has a rug in his bedroom with perimeter of 36 feet, the length of the rug is 8 feet what is the width of the rug?

The rug is shaped as a rectangle

The formula for the Perimeter of a rectangle = 2L + 2W

Perimeter = 36 feet

Length = 8 feet

Hence

36 = 2(8) + 2W

36 = 16 + 2W

2W = 36 - 16

2W = 20

W = 20/2

W = 10 feet

Therefore, the Width of the rug is 10 feet

Which expression could be used to find the distance between points (-2,8) and (7,13) on a coordinate plane?
Choose all that apply.

Answers

Answer:

A and E.

Step-by-step explanation:

Its square root of [(13-8 and 7 - - 2  ( = 7 + 2)both squared)]

OH I see there are 2 answers.

The other one is  A.

.
Use the function to find y when x = 3.

y = 2x


a. 6

b. 5

c. –1

d. 3/2
Pls help me am on a test :-)

Answers

Answer:

x=3

y=2x

y= 2×3

y=6

option a is the answer

The answer is 6! Multiply 2 x 3 because x = 3 and you will get 6, which is y.

Determine the equation of the circle graphed below

Answers

(x-5)^2 +(y-4) =r^2.

Find the surface area off the prism. Please help me solve this!

Answers

Surface area of the prism for rectangular prism is A = 2(lw+lh+wh)

w= 5 ft
h=1 ft
l= 10 ft

A = 2((10x5)+(10x1)+(5x1))
A = 130 ft^2

I hope it is right! Good luck!:)

Help with math homework

Answers

B djih urtgbvth uyrto

Which set of ordered pairs represents y as a function of x? {(2,2), (3,3), (2,4), (5,5)} A. {(2,2), (3,3), (2,4), (5,5)} A. , 2, 2... 3, 3.... 2, 4... 5, 5... , {(−1,−2), (−2,−1), (−2,7), (−4,8)} B. {(−1,−2), (−2,−1), (−2,7), (−4,8)} B. Negative 1, negative 2... Negative 2, negative 1... Negative 2, 7.... Negative 4, 8... , {(−1,6), (4,3), (1,1), (−3,4)} C. {(−1,6), (4,3), (1,1), (−3,4)} C. Negative 1, 6... 4, 3... 1, 1... Negative 3, 4... , {(0,1), (2,1), (3,1), (0,2)} D. {(0,1), (2,1), (3,1), (0,2)}

Answers

Answer:

The correct answer is C

Step-by-step explanation:

In a function, no two ordered pair has the same first element. if you check all the Rest, they have one or more two ordered pairs having the same first element. But C has unique first ordered elements, -1, 4, 1 and -3

(Translate the sentence into an inequality)

Twice the difference of a number and 2 is at most -30

Answers

Answer:

2(x-2) ≤ -30

Step-by-step explanation:

2(twice) (x-2)( the difference of a number and 2) ≤ (is at most )-30

Matt has 5 Cookies
Linn eats 3 of the cookies
How old is Linn

Answers

Answer:

3

Step-by-step explanation:

Where did you get this question?

The number of cookies left, if Matt has 5 Cookies and Linn eats 3 of the cookies, is 2.

What is subtraction?

The action of subtracting a matrix, vector, or other quantity from another according to predetermined rules in order to find the difference.

Given:

The total number of cookies, t = 5,

The number of cookies Linn eats, n = 3,

Calculate the number of cookies left by using subtraction as shown below,

The number of left cookies = Total number of cookies - The number of cookies Linn eats

The number of left cookies = t - n

The number of left cookies = 5 - 3

The number of left cookies = 2

Thus, the number of cookies left is 2.

To know more about subtraction:

https://brainly.com/question/28008319

#SPJ2

The complete question is: Matt has 5 Cookies and Linn eats 3 of the cookies, how many cookies are left?

volume of a pyramid with a square base of length 5m is 75m³. Find it's hieght​

Answers

Answer:

The height of the pyramid is 3 m.

Step-by-step explanation:

Given;

volume of pyramid, V = 75 m³

length of the square, L = 5 m

The volume of a pyramid is given as;

V = area of the square base  x  height

V = Ah

where;

A = L² = 5 x 5 = 25 m²

h = V/A

h = (75) / (25)

h = 3 m

Therefore, the height of the pyramid is 3 m.

Keith has 7 yards of string. He needs ⅓ yard of string for each of his puppets. How many puppets can Keith make with his string?

Answers

Answer:

the no of puppets that could be made with his string is 21

Step-by-step explanation:

Given that

There is 7 yards

And, it needs one -third of string for each of his puppets

= 7 × 3

= 21 puppets

We simply multiply the 7 yards with the 3 so that the no of puppets could come

hence, the no of puppets that could be made with his string is 21

a park ranger measures the heights in the box plot​​

Answers

Answer:

The answer is c because 5 is not dotted anywhere?????

Please help me I need help

Answers

d = 16.76 inches

Step-by-step explanation:

We can extend the definition of the Pythagorean theorem to 3-dimensions:

[tex]d = \sqrt{ {x}^{2} + {y}^{2} + {z}^{2} } [/tex]

Let x = 10 in

y = 10 in

z = 9 in

[tex]d = \sqrt{ {(10)}^{2} + {(10)}^{2} + {(9)}^{2} } [/tex]

[tex]d = \sqrt{281} = 16.76 \: in[/tex]

what was her overall quiz average of a 90 for the quarter ? pls answer

Answers

Answer:

She needs at least a 105 to get a 90 :/

Step-by-step explanation:

If you add all those up and divide it by 5 (the mean) you get an 86.5, then if you add 105 and divide up all those numbers by 6 you get a 90.166667

Evaluate the expression when a = -4 and x=4.
4x-a

Answers

Answer: 20

Step-by-step explanation:  Substitute -4 in for a and 4 in for x.  Then, simplify.  

4(4) - (-4)

16 + 4

20

Hope this helped.  Please mark brainliest if correct!

Answer:

4(4)-(-4)

16+4

20

Step-by-step explanation:

When you put x is 4 in the first term u will get 16 and when you add two negatives u will get a positive, hence positive 4, that is 16+4

20

the sum of two numbers is 65 and their difference is 7. What is the greater of the two numbers?

Answers

Answer:

The numbers are 35 and 28

35+28=65

35-28=7

Step-by-step explanation:

Brainliest?..

Answer:

X+y =65  x-y=7  y=65-x  (plug in 65-x) for y.  X-(65-x)=7  so x-65+x=7

2x=72 so x =36  65-36=29  The bigger number is 36.

Step-by-step explanation:

Helppppppp what's the answer??????

Answers

Find the axis of symmetry.
x= 1/2

which expression represents the difference of (5x-3y) and (8x+8y)?

Answers

Given:

The expressions are:

[tex](5x-3y)[/tex] and [tex](8x+8y)[/tex]

To find:

The difference of [tex](5x-3y)[/tex] and [tex](8x+8y)[/tex].

Solution:

Difference of [tex](5x-3y)[/tex] and [tex](8x+8y)[/tex] is written as:

[tex]Difference=(5x-3y)-(8x+8y)[/tex]

On simplification, we get

[tex]Difference=5x-3y-8x-8y[/tex]

[tex]Difference=(5x-8x)+(-3y-8y)[/tex]

[tex]Difference=-3x-11y[/tex]

Therefore, the difference of [tex](5x-3y)[/tex] and [tex](8x+8y)[/tex] is [tex]-3x-11y[/tex].

I need help plsss help

Answers

Answer:

Triangle: True

Parallelogram: False, area is 63cm^2

Trapezoid: True

Step-by-step explanation:

Use area calculators on the internet to find the area of shapes.

Geometry
Find the value of x. The diagram is not to scale.

Answers

Answer:

[tex]x=14[/tex]

Step-by-step explanation:

Since lines [tex]\overrightarrow{f}[/tex] and [tex]\overrightarrow{g}[/tex] are parallel, the angles labelled in the diagram must be supplementary (add up to [tex]180^{\circ}[/tex]). Therefore, we have the following equation:

[tex]4x+(7x+26)=180,\\11x+26=180,\\11x=154,\\x=\boxed{14}[/tex]

The formula for the perimeter, P, of a rectangle is P = 2(l + w), where l represents the length and w represents the width.
A. Todd has a string that is 26 inches long and wants to create a 9-inch-long rectangle with it. Substitute these values into the formula above, and solve for w to determine how wide Todd’s rectangle must be. Show your work.

B. Todd solved for the width arithmetically, as follows:

The length of the rectangle is 9 inches, so the sum of the lengths of the two long sides is 2 • 9 = 18 inches.

The string is 26 inches long, and 18 inches are used for the long sides of the rectangle, so the number of inches available for the short sides is 26 − 18 = 8 inches.

A rectangle has 2 congruent short sides, so the length of each short side, or the width of the rectangle, is 8 ÷ 2 = 4 inches.

Describe how Todd’s arithmetic solution process is similar to your algebraic solution process from part A, and how they are different.

C. The perimeter formula can be solved for w, in terms of P and l, as shown below.

P = 2(l + w)

P = 2l + 2w

P − 2l = 2w

= w

Explain why it could be useful to solve the perimeter equation for w in terms of P and l.

Answers

Answer:

p= 2L + 2w

p= 2×26 + 2×9

35-52=18

w=35

Tahari is shopping for a new car. She is making her decision based on brand, color, and style. She can choose from 4 brands, 5 colors, and 3 styles. First, Tahari chooses the color. Which explains the number of options that she has left after she chooses the color? Tahari has 60 options left because Tahari has 12 options left because she has options left. Tahari has 12 options left because . Tahari has 7 options left because she has options left.

Answers

Answer:After choosing the color she still has the choices of brands and style so:

Tahari has 4*3=12 options left.

Step-by-step explanation:

Answer:

B

Step-by-step explanation:

right on edge

If f(x)= x2 + 5, and g(x) = 3x - 11, find (g(f(-3)).

Answers

Answer:

31

Step-by-step explanation:

first find f(-3)

f(-3) = (-3)^2 +5

       = 9+5 = 14

The find g(f(-3) = g(14)

                         = 3*14-11

                           = 42-11

                             =31

Write the point-slope form of an equation of the line through the points (-7, 7) and (4, 1).
A. y−4=−611(x−1)
B. y+1=−611(x+4)
C. y+7=−611(x−7)
D. y−7=−611(x+7)

Answers

Answer:

D) y-7=-6/11(x+7)

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(1-7)/(4-(-7))

m=-6/(4+7)

m=-6/11

y-y1=m(x-x1)

y-7=-6/11(x-(-7))

y-7=-6/11(x+7)

y=-6/11x-42/11+7

y=-6/11x-42/11+77/11

y=-6/11x+35/11

this is exact and approximate pi
SOMEONE PLS HELP BEFORE I FAIL​

Answers

3.14159 this is pi followed by 2653589 circumference over diameter 79323 OMG can’t you see 8462643 and now we’re on a spree 38 and 32 now we’re blue, oh, who knew 7 thousand 9 hundred 50 and then a 2 88 and 41 so much fun now we run 97169399 then 3751 half-way done 458 now don’t be late 2 oh 9 where’s the wine 74 it’s on the floor then 94459 23 oh we gotta go 78 we can’t wait 164 oh 628 we’re almost near the end keep going 62 we’re getting through oh 899 on time 8628 oh 34 there’s only a few more 82 then 53 42117 oh and 67 we’re done, was that fun? Learning random digits so you can brag to your friends


That was the 100 digits of pi, your welcome

What is the measure of x?

Answers

Answer:

105+54=x

Step-by-step explanation:

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