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pantera1 [17]
3 years ago
11

Which statement is true?

Mathematics
1 answer:
Nata [24]3 years ago
8 0
P(hemoglobin level between 9 and 11) = P(age between 25 and 35 years)..
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The product of a number and 9 less than the number is 90. Find the number.
Goryan [66]

Let's say this number is a:
a*(a-9) = 90
a^2-9a-90 = 0
(a-15)(a+6) = 0
a = 15 or a = -6
Therefor a. would be the correct answer :)
7 0
3 years ago
The atomic mass unit (amu) is a unit used to represent the blank of an atom.
aleksandrvk [35]

Answer:

the answer is no

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
PLEASE HELP FAST!!!
scoray [572]

The measure of the angle of elevation from the ground to the top of the ladder is 68.73 degrees

<h3>Angle of elevation and depression</h3>

From the question given, we have the following parameters

Base of the building = 7feet

Height of the building = 18 feet

Required

angle of elevation

Using the SOH CAH TOA identity

tanФ = opp/adj

tanФ = 18/7

Ф = 68.73 degrees

Hence the measure of the angle of elevation from the ground to the top of the ladder is 68.73 degrees

Learn more on angle of elevation here: brainly.com/question/88158

#SPJ1

Question:

<em>A ladder leans against a building. The top of the ladder reaches a point on the building, which is 18 feet above the ground. The foot of the ladder is 7 feet from the building. Find the measure of the angle of elevation from the ground to the top of the ladder.</em>

4 0
2 years ago
What equation can be used to find the value of x
Gnom [1K]

Answer:

3x + 1 + 5x - 7 + 11x - 4 = 180°

x = 10°

Step-by-step explanation:

Sum of angle in Triangle = 180°

So lets add up the angles with combining like terms.

3x + 1 + 5x - 7 + 11x - 4 = 180°

19x + 1 - 7 - 4 = 180°

19x - 10 = 180°

19x = 190

x = 10°

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

7 0
3 years ago
Hey cutie you wanna help? I need the answer urgently
BigorU [14]

Answer/Step-by-step explanation:

4(x - 2)= 100 and 2(x - 2) = 50.

We can determine that in both equation x equals 27. But, why is the second one half as much as the first problem? This is because the second problem is being multiplied with a number half as large as the first. Since 27 - 2 = 25 and 25 x 4 = 100 and 25 x 2 = 50 these problems hold up to their function.

If x = 27:

<u>4(x - 2) = 100</u>

27 - 2 = 25

25 x 4 = 100

<u>2(x - 2) = 50</u>

27 - 2 = 25

25 x 2 = 50

6 0
2 years ago
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