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beks73 [17]
3 years ago
15

Please help me for this question:​

Mathematics
1 answer:
labwork [276]3 years ago
3 0
24|5
25|0, 1, 3, 8
26|4, 7, 9
27|3, 6
key in bottom right
24|5 means 245
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Use rounding or compatible numbers to estimate the sum. 256+321
olganol [36]
256 being rounded would become 260 and 321 would become 320 so adding up the estimates the would be 580 (real answer is 577)
3 0
3 years ago
PLS HELP I NEED IT ASAP
Marina CMI [18]

Answer:

2.50

Step-by-step explanation:

that is just barely less then a 90° so I rounded it up to a 90° and the closest answer is 2.50

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3 years ago
Identify the exponent in the term –3x 2 . A. 3 B. x C. 2 D. minus sign (–)
leva [86]

Answer:

Correct option is:

C. 2

Step-by-step explanation:

We have to find the exponent in the term -3x²

An exponent refers to the number of times a number is multiplied by itself.

Here, x is multiplied to itself 2 times

i.e. x\times x=x^2

Hence, exponent in the term -3x² is:

2

So, the correct option is:

C. 2

5 0
3 years ago
A tangent from point P to a circle of radius 4 cm is 10 cm long. Find: <br>a the distance of P from the centre of the circle <br
d1i1m1o1n [39]

Answer:

see explanation

Step-by-step explanation:

a

The tangent and the radius at the point of contact form a right angle

Using Pythagoras' identity on the right triangle formed.

Let x be the distance from the centre to P, then

x² = 4² + 10² = 16 + 100 = 116 ( take the square root of both sides )

x = \sqrt{116} ≈ 10.77 cm (to 2 dec. places )

b

let the required angle be Θ, then

Using the sine or cosine ratio in the right triangle.

cosΘ = \frac{adjacent}{hypotenuse} = \frac{10}{\sqrt{116} }

Θ = cos^{-1} ( \frac{10}{\sqrt{116} } ) ≈ 21.8°

7 0
3 years ago
Cassandra calculated the total volume of the figure below. A rectangular prism has a length of 7 inches, width of 6 inches, and
RideAnS [48]

Answer:

1,2,4

Step-by-step explanation:

4 0
3 years ago
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