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givi [52]
2 years ago
11

Please help and work out both questions! ill give brainlest and 20 points

Mathematics
2 answers:
likoan [24]2 years ago
7 0

Answer:

6. -16

7. x = -7

Step-by-step explanation:

6.

-3×(7+(-3)²)÷3

= -3×(7+9)÷3

= -3×16÷3

= -3 × (16/3)

= -16

7.

9 × x = -63

=> 9x = -63

=> x = -63/9

=> x = -7

raketka [301]2 years ago
6 0

Answer:

Step-by-step explanation:

6. Use PEMDAS

-3 x (7 + (-3)*2) / 3

-3 x (7 + 9) / 3

-3 x 16 / 3

-48 / 3

-16

7. 9 (x) = -63

X = - 63 /9

X = -7

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Write the equation of a line PERPENDICULAR to the line y = 3x + 2 that passes through
Dominik [7]

Answer:

7

Step-by-step explanation:

how 7 because the digris that know be a last number and can be sure the meaning are complecataed thats tight

7 0
3 years ago
Items for a fundraiser are packaged in small boxes shaped like rectangular prisms that are inches long, inches wide, and 8 inche
allochka39001 [22]

Answer:

- The number of small boxes that will fill the large box 1 = 64

- The number of small boxes that will fill the large box 2 = 56

Step-by-step explanation:

Complete Question

Items for a fundraiser are packaged in small boxes shaped like rectangular prisms that are 4.5 inches long, 4.5 inches wide, and 8 inches tall. To transport the items to an event, you want to know how many of the small boxes will fit in larger boxes. The larger boxes are available in two sizes. Large Box 1 is 24.25 inches long, 18 inches wide, and 24 inches tall. Large Box 2 is 20.5 inches long, 18.5 inches wide, and 24 inches tall. Both the small and large boxes must remain upright.

Solution

To know how many of the small boxes will fit in larger boxes, we need to obtain the volumes of the small box, large box 1 and large box 2.

Volume of a cuboid = L × W × H

For the small box,

Length = L = 4.5 inches

Width = W = 4.5 inches

Height = H = 8 inches

Volume of the small box = 4.5 × 4.5 × 8 = 162 in³

For large box 1,

Length = L = 24.25 inches

Width = W = 18 inches

Height = H = 24 inches

Volume of the large box 1 = 24.25 × 18 × 24 = 10,476 in³

For large box 2

Length = L = 20.5 inches

Width = W = 18.5 inches

Height = H = 24 inches

Volume of the large box 2 = 20.5 × 18.5 × 24 = 9,102 in³

The number of small boxes that'll fill the large box 1 = (10,476/162) = 64.667 = 64 small boxes (rounded down because the fraction cannot be forced into the large box 1.

The number of small boxes that will fill the large box 2 = (9,102/162) = 56.185 = 56 small boxes.

Hope this Helps!!!

7 0
2 years ago
Twellve concert tickets cost $450 what is the cost of 3 tickets to the same concert
Scrat [10]
1) $450/12=$37.50
2)$37.50x3=$112.50

The answer is: $112.50

I hope this helps
4 0
3 years ago
{2x + y = -1}<br> {3x- 5y + -21}
NARA [144]

Answer:

your question is not complete or should I say not correct ☺️

8 0
2 years ago
Read 2 more answers
A bicyclist rides 16 km in 30 min. What is the bicyclist's average speed in km/h?
kow [346]

Answer:

32 km/h

Step-by-step explanation:

Since there are 60 minutes in an hour, we can find their speed in km/h by multiplying the current distance by 2:

16(2)

= 32

This means the bicyclist can ride 32 km in 1 hour.

So, their speed is 32 km/h

6 0
2 years ago
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