4 years ago

Use the formula d=rt to find the value of the missing variable. r=6mph,t=4 hours

Mathematics

1 answer:

Effectus [21]4 years ago

6 0

If d = rt, then you plug in. D = 6(4) = 24.

24 miles. If you need a picture of this work, let me know.

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Among 500 freshmen pursuing a business degree at a university, 311 are enrolled in an economics course, 243 are enrolled in a ma

Allushta [10]

Solution :

Let A = Economics, B = Mathematics

n(A) = 311, n(B) = 243, $n(A \cap B) = 135$

a). So, $n(A \cup B) = n(A) +n(B) - n(A \cap B)$

= 311 + 243 - 135

= 419

b). n(A only) = 311 - 135

= 176

n(B only) = 243 - 135

= 108

Exactly one of these two courses

$=\frac{176+108}{500}$

= 0.568

c). Neither economics nor mathematics

$=\frac{500-419}{500}$

$=\frac{81}{500}$

= 0.162

7 0

3 years ago

Okay, what is x if: -7/9 (x 3) =14?

Charra [1.4K]

I hope this helps you

-7.x^3=2.7.9

x^3=-18

x=i.(3square root of 18)

3 0

3 years ago

This set of 3 numbers are measurements of a right triangle. 10,8,6<br><br>True<br>False

arlik [135]

Answer:

True

Step-by-step explanation:

**plug it in using the Pythagorean Theorem**

6^2+8^2= 10^2

36+64=100

100=100 (true)

7 0

3 years ago

Read 2 more answers

Ruby bought a new car for £10625. She got a discount of 15% of the recommended retail

natali 33 [55]

Answer:

15/100 x 10625

Saved: 1593.75 pounds

7 0

3 years ago

Find the area of the triangle to the nearest tenth.

andreyandreev [35.5K]

Answer:

42.4

Step-by-step explanation:

1) use this formula of Area of the triangle:

$A=\frac{1}{2} a*b*sin(a,b)$

2) using the formula described above:

A=0.5*14*11*0.55≈42.4 (mm²)

5 0

4 years ago