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sammy [17]
3 years ago
14

Number 1 and number 2 pleasseee​

Mathematics
1 answer:
lina2011 [118]3 years ago
4 0

Answer:

1)

(a) 19 44

(b) 3.96 m

2.01 x 90%= 1.95

1.95 + 2.01

(c)

i] 6

2 events *3 medals per event

ii] 60

simple ratio

iii] 20 including marathon run and high jump events

2)

(a) 8.5 cm

closest round off figure

(b) 4/3πr²

4/3 x π x (8.5)²

303 cm³

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ValentinkaMS [17]
The answer is 293742847472927463629293857462919384635151143849492
3 0
3 years ago
1/4x + x = -3+ 1/2x, what is x?
USPshnik [31]

Answer:

x = -4

Step-by-step explanation:

Solve for x:

(5 x)/4 = x/2 - 3

Put each term in x/2 - 3 over the common denominator 2: x/2 - 3 = x/2 - 6/2:

(5 x)/4 = x/2 - 6/2

x/2 - 6/2 = (x - 6)/2:

(5 x)/4 = (x - 6)/2

Multiply both sides by 4:

(4×5 x)/4 = (4 (x - 6))/2

(4×5 x)/4 = 4/4×5 x = 5 x:

5 x = (4 (x - 6))/2

4/2 = (2×2)/2 = 2:

5 x = 2 (x - 6)

Expand out terms of the right hand side:

5 x = 2 x - 12

Subtract 2 x from both sides:

5 x - 2 x = (2 x - 2 x) - 12

5 x - 2 x = 3 x:

3 x = (2 x - 2 x) - 12

2 x - 2 x = 0:

3 x = -12

Divide both sides of 3 x = -12 by 3:

(3 x)/3 = (-12)/3

3/3 = 1:

x = (-12)/3

The gcd of -12 and 3 is 3, so (-12)/3 = (3 (-4))/(3×1) = 3/3×-4 = -4:

Answer:  x = -4

5 0
4 years ago
How to solve p^2-4p-32/p+4
FrozenT [24]
This expression can only be combined.

Add <span>p^2</span><span> and </span><span>−<span>32/p</span></span><span> to get </span><span><span><span>(<span>p^2</span>p−1⋅32)/</span>p</span>.
</span><span>−4p+<span><span><span>p^2 </span>p−1⋅32/</span>p</span>+4

</span>Multiply <span>−1</span><span> by </span>32<span> to get </span><span><span>−32</span>.
</span><span>−4p+<span><span><span>p^2 </span>p−32/</span>p</span>+4

</span>Find the common denominator<span>.
</span><span><span><span>−4pp/</span>p</span>+<span><span><span>p^2 </span>p−32/</span>p</span>+<span><span>4p/</span>p

</span></span>Combine<span> into one </span>fraction<span>.
</span><span><span>−4pp+<span>p^2 </span>p−32+4p/</span>p

</span>Simplify the numerator.
<span><span>−4<span>p^2</span>+<span>p^3</span>−32+4p/</span>p

</span>Simplify the expression<span>.
</span>
<span><span><span>p^3</span>−4<span>p^2</span>+4p−32/</span>p</span>
8 0
3 years ago
Read 2 more answers
Help ill give brainliest
serious [3.7K]

Answer:

Bottom Left

Step-by-step explanation:

We can check by seeing the numbers with the tens place that has the digit 1.

We have numbers 10, 10, 15, 15, 15

That means one's digit values of 0, 0, 5, 5, 5

The bottom left is the only option.

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

7 0
3 years ago
An automobile depreciates by 20% per year. how soon will it be worth only half its original value? [hint: depreciation is like i
dimaraw [331]
1/2p=p (1-0.2)^t
1/2=(1-0.2)^t
1/2=(0.8)^t
Log (1/2)=t×log (0.8)
T=log(1÷2)÷log(0.8)
T=3.1 years
8 0
4 years ago
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