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UkoKoshka [18]
3 years ago
9

In a c is ___ in b d is ___

Mathematics
1 answer:
ipn [44]3 years ago
7 0

Answer:

In equation A, c is 7

In equation B, d is 5

Step-by-step explanation:

You might be interested in
Evaluate <br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B%20%7Bm%7D%5E%7B2%7D%20%20%2B%20%20%7Bm%7D%5E%7B%20-%202%7D%20%2B%20
zysi [14]

Answer:

9.5

Step-by-step explanation:

(0.5^2 + 0.5^-2 + 0.5) / 0.5 = 9.5

Hope this help! :)

4 0
3 years ago
Round off square root of 120 to the nearest whole number?
Westkost [7]

Answer:

11

Step-by-step explanation:

for this question we can look at the whole answer for the square root of 120 which equals 10.9544511501

\sqrt{120} = 10.9544511501

now looking at our answer (10.9544511501) we want to find the nearest WHOLE NUMBER. in the current answer the whole number is 10, followed by many decimals.

10.9544511501

but to find the nearest whole number we have to round the place value BEFORE our whole number. (in this case the 9)

10.9544511501

we can now look at this highlighted section of our equation and think... is 10.9  closer to 11 or 10. well logically, to get to 11 from 10.9 we only have to go up by 0.1, rather than to get to 10, where you have to subtract 0.9.

10.9 + 0.1 = 11

10.9 - 0.9 = 10

But to make it easier, remember the rule:

the place value one place to the RIGHT of what you're rounding to, is what determines the new number. (in this case the .9)

and as any number 5 or above rounds up, we can say that our new number, rounded to the nearest whole number equals 11

10.9 rounded to the nearest whole number = 11

4 0
2 years ago
Solve the equation below<br> Explain your steps<br> .<br> Show your math work<br> 2(3x + 4) = 4x + 2
lisabon 2012 [21]

Answer:

x = -3

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
work out the total area of triangle ABC. calculate the area of AC. sides are:8.2cm and 13.5cm and angle 81 degrees
umka2103 [35]

Answer:

54.67 cm²

Step-by-step explanation:

Given that the two sides of Δ ABC are 8.2 cm and 13.5 cm and the angle included by those sides is 81°.

Let, b = 8.2 cm and c = 13.5 cm and ∠ A = 81°

Hence, area of triangle ABC, Δ = \frac{1}{2} bc \sin A

⇒ Δ = \frac{1}{2} bc \sin 81

⇒ Δ = \frac{8.2 \times 13.5 \times \sin 81}{2}

⇒ Δ = 54.67 cm² (Answer)

7 0
3 years ago
Can someone please help me work out the area​
irga5000 [103]

Answer:

just use the formula length×width×height

Step-by-step explanation:

1 cube= 1cm

length=4x1cm

width=2x1cm

height=4x1cm

add together

4x4x2=32

8 0
3 years ago
Read 2 more answers
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