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pickupchik [31]
4 years ago
12

Mattie and Matilda are at a bead class making bracelets. If Matties wrists bracelet has a circumference of 7 inches and Matilda

needs an amr bracelet that is 2.5 times larger, what will be the radius of Matilda's bracelet?
Mathematics
1 answer:
scoray [572]4 years ago
3 0

The radius of Matilda's bracelet is 2.784 inches

Step-by-step explanation:

Given,

The circumference of Matties bracelet is = 7 inches

The bracelet of Matilda is 2.5 times of Matties's bracelet

So, the circumference of Matilda's bracelet = 2.5 × 7 inches = 17.5 inches

To find the radius of Matilda's bracelet

Formula

The circumference of circle of radius(r) = 2πr inches

According to the problem,

2πr = 17.5

or, r = \frac{17.5X7}{22X2}

= 2.784 inches (approx)

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gladu [14]
He can make 10 more bowls of clay if he wants<span />
7 0
3 years ago
Solve for X <br><br> Please and thanks
Tpy6a [65]

<u>Given</u>:

The measure of ∠ABD is (4x + 15)°

The measure of ∠DBC is (13x + 7)°

We need to determine the value of x.

<u>Value of x:</u>

Since, we know the property that every angle in a rectangle is 90°

Hence, the value of x can be determined by adding the two angles and equating to  90°

Thus, we have;

\angle ABD+\angle DBC=90^{\circ}

Substituting the values, we have;

4x+15+13x+7=90

              17x+22=90

                      17x=68

                          x=4

Thus, the value of x is 4.

4 0
3 years ago
Explain how proving to triangles congruent can help prove parts of the triangle congruent.
nydimaria [60]

Answer:

CPCTC - Corresponding Parts of Congruent Triangles are Congruent

Step-by-step explanation:

When two triangles are congruent, this means they have the same shape and the same size. To have the same shape, each angle must be congruent. To have the same size, each side length must be congruent. When you know two triangles are congruent you can say each corresponding part of congruent triangles is congruent. This is known as CPCTC.

7 0
3 years ago
2. On the snow day, 8 kids from the neighbor-
andre [41]

Answer: 30 buttons

Step-by-step explanation:

If there were 8 kids, and 7 more joined, then there were 15 kids making snowmen (8+7 = 15).  Each child used 2 buttons for the eyes, so 30 buttons were used (15 x2 = 30).  This is assuming no other buttons were used on the snowmen for anything else

5 0
2 years ago
What is the prime factorization for 40, 210 and 165? (finding the lcm)​
Lemur [1.5K]

Answer:

Is below.

Step-by-step explanation:

Prime Factors:

40 = 2*2*2*5

210 = 2*3*5*7

165= 3*5*11

The LCM is 2*2*2*3*5*7*11

= 8*15*77

= 9240.

4 0
4 years ago
Read 2 more answers
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