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Alex17521 [72]
2 years ago
10

Mandy works construction. Shes knows that a 5 meter long metal bar has a mass of 40 kg.Mandy wants to figure out the mass (w) of

a bar made out of the same metal that is 3 meters long and the same thickness.
Mathematics
2 answers:
Agata [3.3K]2 years ago
6 0

Answer:

24 kg

Step-by-step explanation:

40/5 = 8 and 3x8 = 24

ch4aika [34]2 years ago
3 0

Answer:

24 kg

Step-by-step explanation:

\frac{5}{40} =\frac{3}{w} \\5w=120\\w=\frac{120}{5}=24

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A florist has 66 carnations and 42 roses. What is the greatest number of identical bouquets that can be made without any flowers
Delicious77 [7]

Answer:6

Step-by-step explanation:

What is the biggest number to go into both numbers this is six, so for each bouquet you will have 11 carnations and 7 roses

6 0
2 years ago
. The cost of 2 pizzas and 1 burger is ₹ 450. Write a linear equation for this situation and draw its graph.​
Akimi4 [234]

Answer:

The linear equation is;

Y = 450 - 2·X

Please find the included graph

Step-by-step explanation:

Whereby we have the following relation;

The cost of 1 pizza = X

The cost of 1 burger = Y

Hence;

450 = Y + 2·X

Which gives;

Y = 450 - 2·X

The linear equation for the situation is therefore as presented above

The graph of the linear equation can be plotted using the assumed data as follows;

Y,           X

1,           448

2,          446

3,         444

4,          442

5,          440

6,          438

7,          436

8,          434

9,          432

10,          430

11,          428

12,          426

13,          424

14,          422

15,          420

16,            418

8 0
2 years ago
-4 (r + 2) = 4 (2 - 2r)
Nady [450]

Answer:

r=4

Step-by-step explanation:

Let's solve your equation step-by-step.

−4(r+2)=4(2−2r)

Step 1: Simplify both sides of the equation.

−4(r+2)=4(2−2r)

(−4)(r)+(−4)(2)=(4)(2)+(4)(−2r)(Distribute)

−4r+−8=8+−8r

−4r−8=−8r+8

Step 2: Add 8r to both sides.

−4r−8+8r=−8r+8+8r

4r−8=8

Step 3: Add 8 to both sides.

4r−8+8=8+8

4r=16

Step 4: Divide both sides by 4.

4r

4

=

16

4

r=4

Answer:

r=4

3 0
2 years ago
A random group of high school and college students were asked if they study with or without listening to music. The frequency ta
valkas [14]
Its - <span>If someone prefers to study with music, the probability the person is in HS is about 44% and <span>The conditional relative frequency that someone is in high school, given that the person prefers to study without music, is about 0.56.</span> </span>
4 0
2 years ago
Read 2 more answers
Estimate 58% of 121 by using 10%
kvv77 [185]
58% is about equal to 60%, 10% of 121 is 12.1.
12.1 * 6 = 72.6
To take this further, 58% is 2% less than 60%, or 2 times 1%. 1% of 121 is 1.21.
72.6  - (1.21 * 2) = 72.6 - 2.42 = 70.18
5 0
2 years ago
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