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Free_Kalibri [48]
3 years ago
15

Dave has a board that is

Mathematics
1 answer:
Naya [18.7K]3 years ago
4 0

Answer:

The answer is 1 3/8 (B)

Step-by-step explanation:

3 1/4 - 1 7/8 = 1 3/8

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Identify the factors of x2 + 25y2. (x + 5y)(x + 5y) (x + 5y)(x − 5y) (x − 5y)(x − 5y) Prime
GenaCL600 [577]

Answer:

The polynomial is Prime.

Step-by-step explanation:

Given the polynomial

x^2+25y^2

we have to identify the factors of given polynomial.

Polynomial: x^2+25y^2

=x^2+(5y)^2

As there is no identity for a^2+b^2 i.e the above polynomial can't be factor

Therefore, the polynomial is Prime.

6 0
3 years ago
Find the volume v of the solid obtained by rotating the region bounded by the given curves about the specified line. y = x + 1,
vova2212 [387]
A cross-section is a disc with radius x + 1

V = \int_0^7 A(x)\, dx = \int_0^7 \pi(x+1)^2dx = \int_0^7 \pi(x^2 + 2x + 1)dx  \\ \\
= \pi \left[ \frac{1}{3}x^3 + x^2 + x\right]_0^7 = \pi\left( \frac{1}{3}(7)^3 + 7^2 + 7\right) = \frac{511}{3}\pi
4 0
3 years ago
A box contains a $1 bill, a $5 bill, a $10 bill, and a $20 bill. If two bills are selected at random what is the probability tha
pshichka [43]

Answer:

50%

Step-by-step explanation:

Because you can get either 1 and 5 which is 6 or 10 and 1 whoch is 11 but the other two will give you 15+

6 0
4 years ago
Read 2 more answers
A triangle has sides of lengths 10, 24, and 26. is it a right triangle? explain
Stels [109]
Yes it's a right triangle. Using the Pythagoran
10^2 + 24^2 = 26^2

Thus it's a right triangle
3 0
3 years ago
In ΔIJK, the measure of ∠K=90°, KJ = 65, IK = 72, and JI = 97. What is the value of the cosine of ∠J to the nearest hundredth?
kow [346]

Answer:

\cos(J) = 0.67

Step-by-step explanation:

Given

\angle K = 90^o

KJ = 65

IK = 72

JI = 97

Required

\cos(J)

The question is illustrated with the attached image.

From the image, we have:

\cos(J) = \frac{KJ}{JI}

This gives:

\cos(J) = \frac{65}{97}

\cos(J) = 0.67010309278

\cos(J) = 0.67 --- approximated

7 0
3 years ago
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