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3 years ago

A wooden board in the shape of a rectangular prism measures 0.3 m by 2.1 m by 0.1 m and has a mass of 0.07 kg.

1 answer:

6 0

Density = Mass/Volume
D = M/V
D = 0.07/0.063
D = 1.111111111111111

Volume of a rectangular prism is WHL
Volume of a rectangular prism is 0.3 m * 2.1 m * 0.1 m
Volume of a rectangular prism is 0.063

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The sum of two numbers is 103. The larger number is 5 less than twice the smaller number. Find both numbers.

andrezito [222]

Answer:

x=67

y=36

Step-by-step explanation:

x+y=103

2y=x+5

8 0

3 years ago

Point A, located at (-11, - 7) on the coordinate plane, is reflected over the x-axis to form point B. Then point B is reflected

hram777 [196]

Answer:

Answer: B(-11,7) C(11,7)

Step-by-step explanation:

Reflections In The Coordinate Plane

Reflect over the x-axis:

When we reflect a point over the x-axis, the x-coordinate remains the same, but the y-coordinate is mapped to its opposite.

The reflection of the point (x,y) over the x-axis is the point (x,-y).

Reflect over the y-axis:

When reflecting a point over the y-axis, the y-coordinate remains the same, but the x-coordinate is mapped to its opposite (its sign is changed).

The reflection of the point (x,y) across the y-axis is the point (-x,y).

Point A is at (-11,-7). When reflected over the x-axis, it maps to Point B located at B(-11,7).

Point B is now reflected over the y-axis and maps to C(11,7).

Answer: B(-11,7) C(11,7)

6 0

3 years ago

Write the measurements of Sides AB, BC, and CD of the correct net.

scZoUnD [109]

AB- 3in.
BC- 5in.
CD- 7.2in.

sorry i don't really have an explanation I just looked at the picture and i guess imagined it in my head? lol sorry but here are the answers I hope that helps at least a little bit :))

8 0

3 years ago

Read 2 more answers

A person places $262 in an investment account earning an annual rate of 3.7%,

yaroslaw [1]

Answer:

$315.24

Step-by-step explanation:

Principal, P =$262

Rate, r= 3.7% =0.037

Time, t= 5 Years

The Value of the Investment which is compounded continuously is gotten using the formula:

$V=Pe^{rt}\\=262*e^{0,037*5}\\=\$315.24$

The value of the investment after 5 years is $315.24 to the nearest cent.

3 0

3 years ago

Which of the following graphs shows a parabola with a vertex of (1,-9) and solutions of (-2,0) and (4,0)?

Mariulka [41]

Answer:

Hello,

Step-by-step explanation:

Roots are -2 and 4

y=k*(x+2)(x-4)

Vertex = (1,-9) is a point of the parabola

-9=k*(1+2)(1-4) ==> k=1

Equation of the parabola is y=(x+2)(x-4)

But you don' t have given the graphs !!!!

3 0

2 years ago