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elena-14-01-66 [18.8K]
3 years ago
15

FIRST WILL BE MARKED BRAINLIEST!

Mathematics
1 answer:
MissTica3 years ago
4 0

Answer:

75 miles per hour

Step-by-step explanation:

they traveled 450 miles in 6 hours

450/6 = 75 mph

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Let u = <-5, -9>, v = <6, 8>. Find -8u - 2v.
brilliants [131]
If u and v are indeed vectors,
- 8u - 2v =  - 8( - 5, - 9) - 2(6,8) \\  = (40,72) - (12,16) \\  = (28,56)
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5 0
4 years ago
Read 2 more answers
10(1 – 2y) = -5(2Y - 1)
mars1129 [50]

Answer:

y =1/2

Step-by-step explanation:

solve for ; y

10(1 – 2y) = -5(2Y - 1)

-10(2y-1) +5(2Y - 1) =0

(2y-1)(-10+5) = 0

-5(2y-1) =0

2y-1=0

y = 1/2

7 0
3 years ago
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Please to these no fake stuff please. Click on the paperclip to see problems.
Y_Kistochka [10]
To calculate the area of a rectangle you multiply the length of the the sides, on 38) the sides are 4 and (3x-2) so to find the area do 4 x (3x-2) = 12x-8
To find the area of a right angled triangle you multiply the two sides and then divide by two, so for 39) and 40) follow this method but divide by two after as they’re triangles to find the area for these
4 0
4 years ago
A godown is 40m long,30m wide and 9m high. How many cuboidal boxes can be stored in it, if the dimension of each box is 2mx1.2x4
sergiy2304 [10]

Answer: There are 10000 cuboidal boxes can be stored in the godown.

Step-by-step explanation:

Since we have given that

Dimensions of godown will be

40 m, 30 m, 9 m .

Dimensions of cuboidal boxes will be

2 m, 1.2 m, 45 cm

As we know Number of cuboidal boxes is given by

\frac{\text{ Volume of godown }}{\text{ Volume of cuboidal box}}\\\\=\frac{40\times 30\times 9}{2\times 1.2\times 0.45}\\\\=10000

Hence, there are 10000 cuboidal boxes can be stored in the godown.

4 0
3 years ago
The perimeter of a rectangle is 64cm. Its shortest side has a length of 3cm. State the length of the longest side.
wel

Answer:

29

Step-by-step explanation:

P = 2l + 2w

64 = 6 + 2w

58/2 = w

=29

4 0
3 years ago
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