What is the value of the expression 7.5(-1/2)?

Answers

Answer 1
answer:
-3.75
half of 7.5 is 3.75. and its negative. so
-3.75
Answer 2

Answer:

-3.75

Step-by-step explanation:


Related Questions

ted's company has recieved an order to print 10^6 pages. ted's company has 100 machines , each of which can print 10^4 pages a day. ted's company can print the 10^6 pages in blank.
in exponent form, this number of days can be represented as blank

Answers

Answer:

1 day ; 10^0

Step-by-step explanation:

Given that:

Order received = 10^6 pages

Number of machines = 100

Daily printing capability by each machine = 10^4

Hence, total output per day = (10^4) * 100 = 10^4 * 10^2 = 10^4+2 = 10^6

Number of days required = number of order / daily output

Number of days = 10^6 / 10^6 = 1

In exponent form:

10^6 / 10^6 = 10^6-6 = 10^0

On a unit circle, the vertical distance from the x-axis to a point on the perimeter of the circle is twice the horizontal distance from the y-axis to the same point. What is sin of theta

Answers

Answer:

2/√5

Step-by-step explanation:

A unit circle is a circle of unit radius. This means that the radius of a unit circle is 1.

Let a represent the horizontal distance. Therefore the vertical distance = twice the horizontal distance = 2a

We can get the hypotenuse using Pythagoras theorem:

hypotenuse² = a² + (2a)²

hypotenuse² = a² + 4a²

hypotenuse² = 5a²

hypotenuse = √5a²

hypotenuse = a√5

sin(θ) = opposite / hypotenuse

sin(θ) = vertical distance / hypotenuse

sin(θ) = 2a / a√5

sin(θ) = 2/√5

In which quadrant does the point (13, 18) lie

Answers

Answer:

Quadrant 1

Step-by-step explanation:

how I understood this is first understanding how a graph works. Once you understand that you can count 13 horizontal on the "X" Axis, then go 18 up on the "Y" axis. you should get a point in the upper left area and that area is called Quadrant 1. Say if 13 was negative instead of going horizontal east you would go horizontal west. And the point should end up in Quadrant 2. Any more questions feel free to ask me below.

What is included between two congruent sides in an isoceles triangle

Answers

In an isosceles triangle that has exactly two equal sides, the equal sides are called legs and the third side is called the base. The angle included by the legs is called the vertex angle and the angles that have the base as one of their sides are called the base angles.

How much should Mr.Ajay and his wife save ina month to achieve their financial goal?​

Answers

Answer:

RM 1000

Step-by-step explanation:

Down payment = 10% of 600 000

                         [tex]= \frac{10}{100}*600000[/tex]

                         = RM 60000

5 years = 5 * 12 = 60 months

Amount to be saved in a month = 60000  ÷ 60

                                                    = RM 1000

If point P is Four-sevenths of the distance from M to N, what ratio does the point P partition the directed line segment from M to N into?

Answers

Answer:

m into5

Step-by-step explanation:

Answer:

ANSWER 4:3

Step-by-step explanation:

Given : A point P is 4/7 of the distance from M to N.

∴ Let the distance between M to N be d.

Also,  the point P partition the directed line segment from M to N .

Thus , MN = MP+PN

Now, the ration of MP to PN will be :-

∴ Point P partitioned the line segment MN into 4:3.

if x = 1/2 when y = 36 what id x when y = 144

Answers

when y = 144, x = 2

144/36= 4

1/2(4)= 2

x = 2

Brainliest to the right answer! please help!

Answers

Answer:

-2x+7y

Step-by-step explanation:

Fist look at the x and then y.

Store A sells a set for $25 and offers a 10% discount. Store B sells a set for $27 and offers a 20% discount. Store C sells a set for $26 and offers a 15% discount.

Answers

Answer:

store a's set after discount is $22.5

store b's set after discount is $21.6

store c's set after discount is $22.1

so store b would be the cheapest hope this helps please give me brainliest

Step-by-step explanation:

How do you become an administrator?

Answers

How do you become an administrator?

I think answering a lot of questions and dont get warnings

Answer:

By getting ligma or Sukon and after that fill out a survey and then joe will tell you if you qualify

Find the value of x in each parallelogram. BOX YOUR ANSWERS!!!!
1.
2.
60°
3.
60°
154
35
4.
5.
85
6.
2
51°
82"

Answers

Answer:

1. 120

2. 26

3. 145

4. 95

5. 129

6. 98

Step-by-step explanation:

Number 1:

Remember: Diagonals are congruent (in this case scenario).

Remember: Consecutive angles are supplementary.

☆You are going to subtract 60 from 18p. (You are subtracting it from 180 specifically because the angles are on a straight angle, and a straight angle equals 180 degrees.)

[tex]180 - 60 = 120[/tex]

^Hence your answer^

Number 2:

Remember: Consecutive angles are supplementary.

☆You are going to subtract 154 from 180.

[tex]180 - 154 = 26[/tex]

Number 3:

Remember: Consecutive angles are supplementary.

☆You are going to subtract 35 from 180.

[tex]180 - 35 = 145[/tex]

Number 4:

Remember: Consecutive angles are supplementary.

☆You are going to subtract 85 from 180.

[tex]180 - 85 = 95[/tex]

Number 5:

Remember: Consecutive angles are supplementary.

☆You are going to subtract 51 from 180.

[tex]180 - 51 = 129[/tex]

Number 6:

Remember: Consecutive angles are supplementary.

☆You are going to subtract 82 from 180.

[tex]180 - 82 = 98[/tex]

When dividing 3x4 – x^2 – 2x + 6 by 2x2 - x - 5, the remainder will be ...?

Answers

Answer: -7.5 maybe

Step-by-step explanation:

Evaluate the polynomial for the given value of x.
- 4x5 - 5x4 – 3x3 - x? for x = -2
A. 97
B. 68
C. 64
D. 63

Answers

Answer:

I might be wrong but I think it is A


CAN SOMEONE PLEASE HELP ME

Answers

Answer:

sorry about being late

Step-by-step explanation:

Volume = length * width * height    in [tex]cm^{3}[/tex]

V1 = 11* 6 * 5 = 330

V2 = 27*6*5= 810

v3 = 11*6*3 = 198

V4 = 11*0.5*5= 27.5

The direction are unclear if that's what they have in mind for the size of the box.... just plug in the asked for numbers if those are not correct.  :)

2(x + 14) = 40
Can you please do all the steps of solving this?

Ex:
8(7+1)3=192

8 x (7+1) x 3
8
8x8=64
64x3=192
total=192

Answers

Answer:

6

..........

Step-by-step explanation:

2(x+14)=40

2x+28=40

2x=40-28

2x=12

x=6

Answer:

Step by step in screenshot below. Hope this helps.

Step-by-step explanation:

Solve for elimination x-4y= -9 and -x+3y=7

Answers

Answer: x=-1 and y=-2

Explanation:
Hope this helps :)

80 middle-school students went on a field trip to watch a performance of Alice In Wonderland. When the teacher took a survey, 70% of the students responded that they enjoyed the play. About how many students enjoyed the play?

Answers

Answer:

56 students

Step-by-step explanation:

Because there are 80 students and only 70% enjoyed it, 70% is equal to 0.7 so you would multiply 80 by 0.7.

Help please I only have a bit more time?

Answers

Answer:

a

Step-by-step explanation:

it should be right

50​% markup for all of the shoes it sells. What would be the selling price of a pair of shoes that has a wholesale cost of ​$​63?

Answers

Answer:

$94.50

Step-by-step explanation:

50%=.50

.50x63=31.50

31.50+63=94.50

Ben creates a pattern using the rule “add 5.” Laura creates a pattern using the rule “add 10.”
Ben’s pattern: 0, 5, 10, 15, 20, 25

Laura’s pattern: 0, 10, 20, 30, 40, 50

Which is true?

Answers

Answer:

both

Step-by-step explanation:

you count my 5s like 5, 10, 15, 20, 25

you count by 10s like 10, 20, 30, 40, 50

The vertex of a parabola is (3,-2) and another point on the parabola is (2,3) find the equation of the parabola in vertex form

Answers

Answer:

[tex]y = 5 ( x - 3 ) ^2 -2[/tex]

OR

[tex]y+2= 5 ( x - 3 ) ^2[/tex]

Step-by-step explanation:

Vertex form of a parabola is given as:

[tex]y = a ( x - h ) ^2 + k[/tex]

Where ([tex]h,k[/tex]) is the vertex and [tex](x,y)[/tex] are the points on the parabola.

We are given that, the vertex is (3, -2) and another point on parabola is given as (2, 3).

[tex]h = 3,k = -2[/tex]

First of all, putting the vertex in the vertex equation as given above:

[tex]y = a ( x - 3 ) ^2 + (-2)[/tex]

Now, putting the values of [tex]x, y[/tex] as 2, 3 and let us find the unknown variable [tex]a[/tex]:

[tex]3 = a ( 2 - 3 ) ^2 + (-2)\\\Rightarrow 3 = a -2\\\Rightarrow a = 5[/tex]

Therefore, the equation in vertex form can be written as:

[tex]y = 5 ( x - 3 ) ^2 -2[/tex]

OR

[tex]y+2= 5 ( x - 3 ) ^2[/tex]

A chrome book cost 249.99 at target on Black Friday it is on sale for 15 % off what is the price of the computer on Black Friday

Answers

Answer:

The price is 212.49

Step-by-step explanation:

sorry if wrong.

Which value is an output of the function?
O-6
O-2
O 4
O7

Answers

The answer is the second one

heeeeeeeelpppppppppp​

Answers

Answer:

14.83 feet

Step-by-step explanation:

[tex]c^{2} =a^{2} +b^{2}[/tex]

a=[tex]\sqrt{16^{2}-6^{2} }[/tex]

a=14.83 feet

PLEASE HELP!!!!!!!What has to be true if you want to solve a quadratic?

Answers

Answer:

Here you go

Step-by-step explanation:

The quadratic formula helps you solve quadratic equations, and is probably one of the top five formulas in math. Then the formula will help you find the roots of a quadratic equation, i.e. the values of x where this equation is solved.

Sam bought a 7/8 -foot piece of wood to make some small boxes to hold his insect collection. He used 3/16 foot of wood for each box. Which equation can be used to show how many boxes Sam made?

Answers

Answer:

Number of small boxes Sam made = Total piece of wood bought / Piece of wood used for each small box

Step-by-step explanation:

Total piece of wood bought = 7/8 foot

Piece of wood used for each small box = 3/16 foot

Number of small boxes Sam made = Total piece of wood bought / Piece of wood used for each small box

= 7/8 foot ÷ 3/16 foot

= 7/8 × 16/3

= 7×16 / 8×3

= 112 / 24

= 4 16/24

= 4 2/3 small boxes

The equation is:

Number of small boxes Sam made = Total piece of wood bought / Piece of wood used for each small box

7(12b + 9) - b what is the awnser

Answers

Answer:

12b + 14p - 7

Step-by-step explanation:

It is already simplified.

can i get brainlist too

The ratio table below shows the number of miles Shondra drove in a car for certain amounts of time during a road trip. Driving Distance Hours Driven Miles Driven 1 60 2 120 3 180 4 ? If Shondra traveled the same number of miles each hour, how many miles did she travel in 4 hours?

Answers

Answer:

Step-by-step explanation:

u take 2(64)-600-94 then u get 120

Answer:

240

Step-by-step explanation:

i had a stroke reading the one above me but i took the test:)

A train covers the distance between two cities A and B at 70km/h during certain time. If it goes 10km/h faster, it will cover the same distance in one hour less. Find the distance between the two cities and the time it takes to do the first trip

Answers

Answer:

distance between 2 cities is 490km

time taken for first trip is 7 hours

Step-by-step explanation:

speed. time

70 x

10. 1

= 10x =70*1

x=70/10

=7 hours

distance= speed*time

=70*7

=490km

Find the volume of figure B

Answers

Answer:

volume of Figure B = 75 m³

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