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Alexxandr [17]
3 years ago
11

**PLEASE HELP**

Mathematics
1 answer:
Sav [38]3 years ago
8 0
Your answer would be "D", because when finding the GCF of a term, you want to take the most out of it. Following the procedure of D, finding the greatest shared factor of 10 and 15 and the greatest shared power between exponent 2 and exponent 3, would allow you to find the GCF.
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Jack and Jill are collecting canned foods for the homeless. They hope to collect 10 cans per day to reach their goal. They have
vredina [299]

B:200 becuase "t" is the variable 10 multiplied by 8 day the days they want to plug into t so 80. 80+120 is 200.

4 0
3 years ago
An angle measures 61º. What is the measure of its supplement? HELP ME PLEASE
Irina-Kira [14]
The supplement of 61 degree is 119 degrees
180-61=119
3 0
4 years ago
Anybody know the integration for this... The answer is k=3
yanalaym [24]
You know that y^2=4x so x=\dfrac{y^2}{4}.
Area of a shaded region is:

$A=\int\limits_0^k\dfrac{y^2}{4}\,dy=\frac{1}{4}\int\limits_0^ky^2\,dy=\frac{1}{4}\left[\frac{y^3}{3}\right]_0^k=\frac{1}{4}\left[\frac{k^3}{3}-\frac{0^3}{3}\right]=\frac{1}{4}\cdot\dfrac{k^3}{3}=\boxed{\frac{k^3}{12}}

so k:

\dfrac{k^3}{12}=\dfrac{9}{4}\\\\\\k^3=\dfrac{9\cdot12}{4}\\\\\\k^3=9\cdot3\\\\k^3=3^3\quad|\sqrt[3]{(\ldots)}\\\\\boxed{k=3}


3 0
4 years ago
Item 2 Order the steps in solving the system of linear equations by substitution. y is equal to 2 x minus 5 $y=2x-5$ negative x
il63 [147K]

Answer:

x = 7 ; y = 9

Step-by-step explanation:

Given the system of equation :

y = 2x - 5 - - - (1)

-x + y = 2 ___(2)

From (1)

y = 2x - 5

Put y = 2x - 5 into (2)

-x + 2x - 5 = 2

-x + 2x = 2 + 5

x = 7

We can then solve for y;

Substituting x = 7 into. Equation (1)

y = 2x - 5

y = 2(7) - 5

y = 14 - 5

y = 9

Hence ;

x = 7 ; y = 9

8 0
3 years ago
Can somebody help please??<br> urgently
VMariaS [17]

The perimeter of the shaded part is 3.93 cm.

Step-by-step explanation:

Step 1; The perimeter of a circle is calculated by multiply 2π with the radius. This given circle is not an entire circle. An entire circle has an angle if 360° while this has an angle of 50°. So we divide 360° with 50°.

Number of these shapes to form a full circle = 360° / 50° = 7.2. So 7.2 of these shapes will need to be combined to form a full circle. So we can calculate the perimeters of full circles and then divide it by 7.2 to get the parameters of the given sections.

Step 2; The parameter and circumference of a circle are equal. So

The perimeter of shaded region = Perimeter of the entire region - Perimeter of the unshaded region.

The Perimeter of circle with radius 8cm = 2π × 8 = 50.2654 cm.

The perimeter of the given shape = \frac{50.265}{7.2} = 6.9813 cm

The perimeter of circle with radius, 3.5cm (8cm - 4.5cm) = 2π × 3.5 = 21.9911 cm,

The perimeter of unshaded region = \frac{21.991}{7.2} = 3.0543 cm.

So the perimeter of shaded region = 6.9813 cm - 3.0543 cm = 3.927 cm.

Rounding 3.927 to 3 significant figures we get the perimeter of shaded region equal to 3.93 cm.

8 0
3 years ago
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