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3 years ago

13

The measurement of angle D is _____ degrees

1 answer:

svetoff [14.1K]3 years ago

7 0

Answer:

157

Step-by-step explanation:

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What is the solution to the system of equation<br> -7x-2y=-13<br> X-2y=11<br> Using substitution

Gnom [1K]

  -7x - 2y = -13
-7x + 7x - 2y = 7x - 13
-2y = 7x - 13
-2 -2
y = -3.5x + 6.5

  x - 2y = 11
  x - 2(-3.5x + 6.5) = 11
x - 2(-3.5x) - 2(6.5) = 11
x + 7x - 13 = 11
8x - 13 = 11
+ 13 + 13
  8x = 24
8 8
  x = 3

y = -3.5x + 6.5
y = -3.5(3) + 6.5
y = -10.5 + 6.5
y = -4
(x, y) = (3, -4)

8 0

4 years ago

ruslelena [56]

Answer: 104 miles

Step-by-step explanation:

If 2.5 in = 52 mi, and 2.5 × 2 = 5, then 2.5(2) = 52(2)

5 in = 104 mi

3 0

3 years ago

irakobra [83]

A function can be represented by equations and tables

4 users are logged in by 9am
The domain is [3,23] and the range of the function is [3,4]

<h3>The number of users at 9am</h3>

The function is given as:

$g(x) = \frac14 \sqrt{x - 3} + 3$

At 9am, x = 9.

So, we have:

$g(x) = \frac14 \sqrt{9 - 3} + 3$

$g(x) = \frac14 \sqrt{6} + 3$

Simplify

$g(9) = 3.6$

Approximate

$g(9) = 4$

Hence, 4 users are logged in by 9am

<h3>The domain</h3>

Set the radical to 0

$x - 3 = 0$

Solve for x

$x = 3$

The maximum time after midnight is 23 hours.

So, the domain is [3,23]

<h3>The range</h3>

When x = 3, we have:

$g(x) = \frac14 \sqrt{x - 3} + 3$

$g(3) = \frac 14 * \sqrt{3 - 3} + 3 = 3$

When x = 23, we have:

$g(23) = \frac 14 * \sqrt{23 - 3} + 3 = 4$

So, the range of the function is [3,4]

Read more about domain and range at:

brainly.com/question/2264373

3 0

3 years ago

How do you solve this??

gulaghasi [49]

I can’t see the photo

6 0

3 years ago

Write 7^4 as a multiplication expression

DENIUS [597]

Answer:

Exponents are simply repeated multiplication so the answer is 7 * 7 * 7 * 7.

8 0

3 years ago

Read 2 more answers