All categories

2 years ago

HELP PLEEEASEEE

Mathematics

2 answers:

Solnce55 [7]2 years ago

7 0

Yes, I agree. The first step is to replace the variables, which would make it 5(9) + 2. 5 times 9 is 45, plus 2 is 47.

Ivahew [28]2 years ago

3 0

× = 9
y = 2

5× + y

⓵ Replace × and y by their value :

5(9) + 2

⓶ Solve it!

5 • 9 = 45

45 + 2 = 47

↠ Your answer is 47, you were right!

I really hope this helped, if there’s anything just let me know ☻

You might be interested in

Find the smaller of 2 consecutive intergers, x, if the sum of the smaller and 6 times the larger is -29. Write an equation to de

Irina18 [472]

Answer:

x = -5 and x+1( consecutive integer) = -4

obviously x is smaller than the next integer

Step-by-step explanation:

Let the first integer be x

hence the consecutive integer is x +1

according to the give condition

x + 6(x + 1) = -29

x + 6x + 6 = -29

7x = -29 -6

7 x = -35

x = -35/7

x = -5

x + 1 = -5 + 1 = -4

GOOD LUCK FOR THE FUTURE! : )

8 0

2 years ago

1/4 divided By 2 Show Your Work On How You Got The Answer

EastWind [94]

1/4 / 2 = 1/4*2 = 1/8

8 0

3 years ago

Find the axis of symmetry and vertex for the parabola y=-4x^2-32x-10

Rom4ik [11]

Answer:

Axis of Symmetry: x = -4

Vertex: (-4, 54)

Step-by-step explanation:

We use a graphing calc.

4 0

2 years ago

Read 2 more answers

A pentagonal prism is cut be a plane perpendicular to the base . What is the shape of the cross section that is formed?

Allisa [31]

Answer:

Step-by-step explanation:

The cross section will have the same shape as the base of the pentagonal prism; the dimensions will be proportionally smaller.

3 0

3 years ago

The world's tallest building is the Burj Khalifa in Dubai at 828 m tall. The CN Tower in Toronto is 553 m tall. Ryan wants to co

Taya2010 [7]

Answer:

Volume of Burj Khalifa Prism = 4000 $cm^2$

Volume of CN Tower Prism = 2671 $cm^2$

Step-by-step explanation:

Given

Height of Burj Khalifa = 828 m

Height of CN Tower in Toronto = 553 m

Base of rectangular prism is a square with sides 10 cm $\times$ 10 cm.

Height of Burj Khalifa prism = 40 cm

828 m is represented as 40 cm

$\Rightarrow 553 m$ is represented as $\frac{40}{828 } \times 553 = 26.71\ cm$

So, height of rectangular prism of CN Tower = 26.71 cm

Volume of a Prism is given by the Formula:

$V=Area\ of\ Base \times Height$

Base is a square, so Area of base = $Side^2$

Volume of Burj Khalifa Prism:

$V_B=10^2 \times 40 = 4000\ cm^2$

Volume of CN Tower Prism:

$V_C=10^2 \times 26.71 = 2671\ cm^2$

So, the answer is:

Volume of Burj Khalifa Prism = 4000 $cm^2$

Volume of CN Tower Prism = 2671 $cm^2$

4 0

2 years ago