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oksian1 [2.3K]
4 years ago
13

Estimate the answer to 26.6 x 24.4/ 5.67 x 4.02.

Mathematics
1 answer:
NeTakaya4 years ago
6 0
For this question, we must use BIDMAS

Brackets
Indices
Division
Multiplication
Addition
Subtraction

26.6  x  24.4  /  5.67  x 4.02

First, round all the values to their first significant figure

30 x 20 / 6 x 4

The first occurring operation in BIDMAS is Division
20/6 = 3 1/3

Now do the multiplication

30 x 3 1/3 x 4 = 400

Or you can round to the nearest whole number (although it can be more difficult if doing sums in your head)

27 x 24 / 6 x 4
27 x 4 x 4
27 x 16 = 432

The more accurately you round, the closer the estimation is to the actual answer (≈460)

1 Sig Fig = 400
Whole number = 432
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f varies jointly as g, h, and j. One set of values is f=18, g=4, h=3, and j=5. Find f when g=5, h=12, and j=3.​
IrinaK [193]

Answer:

\boxed{60}

Step-by-step explanation:

f ∝ ghj

Convert the proportion to an equality

f = kghj

Calculate the value of k

18 = k × 4 × 3 × 5

18 = 60k

 k = ⅓

Rewrite the equation with the value of k

f = ⅓gkj

Find the new value of f

f =⅓ × 5 × 12 × 3 = \boxed{60}

6 0
3 years ago
What are the solutions of the equation 4x2 3x = 24 – x? –3, 2, or 4 –3 or 2 –2, 3, or 4 –2 or 3
Sedbober [7]

Answer:

2 and - 3

Step-by-step explanation:

I've attached my work...

- 4 + 20 / 8 -> 16/8 = 2

- 4 - 20 / 8 -> -24/8 = -3

Please give me feedback on my repsomse by commenting,

any way i can improve showing my work?

Hope it helps, let me know if you have questions !

Have a nice rest of your day :)

5 0
2 years ago
Daisy has one cucumber that is 3 inches long and another cucumber that is 5 inches long she cuts the cucumber 3/8 inches thick s
myrzilka [38]

Answer:

21 pieces

Explanation:

The 3in one could be written as 24/8, because it equals 3.

So you find how many 3/8s are inside 24/8, the answer would be 8 pieces for the first one.

Then the 5in one is=40/8

With this one you would have 13 pieces and 1/8 lasting.

3 0
4 years ago
Which is the smallest seven-digit number to which if you add one it becomes a capicúa
Nady [450]

Answer:  0.123456

Step-by-step explanation:

7 0
3 years ago
Can someone help me select the value for the two questions
rewona [7]
2 units to the right of gx
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