.can u pls answer this

Answer:

I think it's -15 I'm not 100% sure

Answer:

yes i don't know that so.....

Answer:

w

Step-by-step explanation:

Answer: I can see the page it say file is deleted

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Answer:

52% Copper, 28% Zinc, 20% Nickel

Step-by-step explanation:

Copper is 13 out of 13+7+5 = 25

13/25 = 52%

Zinc is 7 out of 25 so 28%

Nickel is 5/25 = 20%

Answer:

b) 15x2 - 15x

Step-by-step explanation:

Multiply 3x by 5x

Multiply 3x by - 5

I am pretty sure its B

Step-by-step explanation:

I did this last year:)

Answer:

As per above mentioned property, we have:

Question1

Question 2

Answer:

(a)

perimeter = 2 + 8 + 4 + 7x + 4x

(b)

perimeter = 11x + 14

Answer:

your answer will be option B) y=20x+30

Step-by-step explanation:

have a great day

Answer:

c, d.

Step-by-step explanation:

c; A vertical stretch by 4 will put the coefficient (in this case 4) in front of your original equation.

d; the negative in front of the whole equation (-4x) will flip the graph across the x-axis.

Answer:

id say 126

Step-by-step explanation:

I just multiplied all of them. but wait till someone answers just go be sure

Answer:

if your goal is to get the area of each triangle, the answers are:

14in

25in

48in

Here is the answer but am not so sure  

14in

25in

48in

Answer:

32

Step-by-step explanation:

2 x 2 x 2 x 2 x 2

32

hope this helps

Answer:

1 is 4x10^-9

2 is 4x10^10

3 is 5x10^7

4 is 2x10^-5

Step-by-step explanation:

I also would use calculator soup it's a good website

The numbers as a single digit times a power of ten are ; 1. 4x10^-9, 2. 4x10^10, 3. 5x10^7, 4. 2x10^-5

Expression in maths is defined as the collection of numbers variables and functions by using signs like addition, subtraction, multiplication, and division. The Numbers constants, variables, operations, brackets can all be represented by mathematical symbol; which can also be used to indicate the logical syntax's order of operations and other features.

Therefore, each number as a single digit times a power of ten.

1. 0.000000043 is [tex]4 \times 10^{-9}[/tex]

2. 43560000.000 is[tex]4 \times 10^{10}[/tex]

3. 56.234567  is [tex]5 \times 10^7[/tex]

4. 0.00002346 is [tex]2 \times 10^{-5}[/tex]

Hence, The numbers as a single digit times a power of ten are ; 1. 4x10^-9, 2. 4x10^10, 3. 5x10^7, 4. 2x10^-5

To know more about an expression follow;

brainly.com/question/19876186

#SPJ5

Step b is wrong. The slope is the change in y over the change in x.

Step b should be (18- 8)/( 10-6)

= 10/4

= 5/2

Answer:

y=20x

Step-by-step explanation:

Answer:

15°

Step-by-step explanation:

Angular velocity= 5rev/ min

= 10π/ min

But 1 min= 60 secs

= Angle turned/ 2secs

= 10π/(60×2)

= π/12 × 180/π= 15°

=

The given area presented on the coordinate plane has dimensions

given by the lengths of the line joining the vertices.

Response:

The given figure can be taken as a composite figure of wo triangles and

a trapezium.

Area of the triangle at the top, A₁ = 0.5 × 4.5 × 1 = 2.25

Area of the trapezoid, A₂ = 0.5 × (6 + 4.5) × 1 = 5.25

Area of the bottom triangle, A₃ = 0.5 × 2 × 6 = 6

Therefore;

Area of the figure, A = A₁ + A₂ + A₃

Which gives;

A = 2.25 + 5.25 + 6 = 13.5

Learn more about composite figures here:

https://brainly.com/question/12114614

Answer:

Step-by-step explanation:

total mass of people = 50× 5 = 250kg

height = 20m

force = mass × g = 250× 10 ( taking g= 10m/s²)

work done = force × distance

= 2500× 20

Answer: ~14°, ~62°

Step-by-step explanation:

See image. You should be able to easily calculate the last two angles.

Answer:

6

Step-by-step explanation:

Let x = number of hours.

Let y = cost.

The fixed cost is $11.

The cost per hour is $2.

For x hours, the cost per hour is 2x.

y = 2x + 11

23 = 2x + 11

12 = 2x

x = 6

Answer: 6

Answer:

What is the value of m squared minus 2 m n + n squared for m = negative 2 and n = 4? -36. -4.

Step-by-step explanation:

hope this helps

Given:

Length of a box is 9 inches, width is 2 inches and height is 1.5 inches.

The cost of silver coating is $2.50 per sq. inches.

To find:

The total cost of silver coating for the box.

Solution:

The total surface area of a cuboid is

[tex]A=2(lb+bh+hl)[/tex]

Where, l is length, b is breadth and h is height.

Putting [tex]l=9,b=2,h=1.5[/tex], we get

[tex]A=2(9\times 2+2\times 1.5+1.5\times 9)[/tex]

[tex]A=2(18+3+13.5)[/tex]

[tex]A=2(34.5)[/tex]

[tex]A=69[/tex]

So, the total surface area of the box is 69 square inches.

Cost of silver coating is $2.50 per sq. inches. So, the cost of silver coating for the box is

[tex]Cost=69\times 2.50[/tex]

[tex]Cost=172.50[/tex]

Therefore, the cost of silver coating for the box is $172.50.

Answer:

C=107°

Step-by-step explanation:

3x-4+6x-7+x+1=180

10x-10=180

10x=190

x=19

C=6x-7

C=6(19)-7

C=114-7

C=107

Answer:

54.6 units

Step-by-step explanation:

Tangents from an external point to a circle are congruent, then

top tangent = 9.2 × 2 = 18.4

Thus

perimeter = 18.4 + 18.5 + 17.7 = 54.6 units

Answer:

C

Step-by-step explanation:

Answer:

C

Step-by-step explanation:

y=mx+b, mx being the slope and b being the y-intercept. The answer is C.

Answer:

[tex]\boxed {\boxed {\sf A. \ 18}}[/tex]

Step-by-step explanation:

The two angles are inside a right angle. The small box signifies a right angle/ 90° angle.

Therefore, the sum of the angle measures must equal 90. We can set up an equation.

[tex]56+(x+16)=90[/tex]

Combine the like terms on the right side. The 2 constants: 56 and 16 can be added.

[tex](56+16)+x=90\\[/tex]

[tex]72+x=90[/tex]

Since we are solving for x, we must isolate the variable. 72 and x are being added. The inverse of addition is subtraction, so subtract 72 from both sides.

[tex]72-72+x=90-72[/tex]

[tex]x=18[/tex]

x is equal to 18 and choice A is correct.