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2 years ago

Please help with this

Mathematics

2 answers:

valina [46]2 years ago

7 0

Answer:

the answer is A. 99 degrees because 81 + 18 = 99

makvit [3.9K]2 years ago

7 0

Answer:

99°

Step-by-step explanation:

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Find the value of x , if log₂ [log₅ (log₃x)] = 0

Lina20 [59]

$\log_2 (\log_5( \log_3x)) = 0\\
D:x>0 \wedge \log_3x>0 \wedge \log_5(\log_3x)>0\\
D:x>0\wedge x>1 \wedge\log_3x>1\\
D:x>1 \wedge x>3\\
D:x>3\\
\log_5(\log_3x)=1\\
\log_3x=5\\
x=3^5\\
x=243$

3 0

3 years ago

What are the roots of the equation x^2+6x-9=10?

Ronch [10]

Answer:

-3+2sqrt7

-3-2sqrt7

Step-by-step explanation:

x^2+6x-9=10

x^2+6x-9-10=0

x^2+6x-19=0

ax^2+bx+c=0

a=1 b=6 c=-19

As cannot be solved by completing square we will use quadratic equation

x= (-b+sqrt(b^2-4ac))/2a and x= (-b-sqrt(b^2-4ac))/2a

x= (-6+sqrt(6^2-4*-19))/2 and x= (-6-sqrt(6^2-4*-19))/2

x=(-6+sqrt(36+76))/2 and x=(-6-sqrt(36+76))/2

x=(-6+4sqrt7)/2 and x=(-6-4sqrt7)/2

x=(-3+2sqrt7) and x=(-3-2sqrt7)

x=2.29 and x= -8.29

3 0

3 years ago

Currently, there are 1,460 wolves in Scataway National Park. If the population of wolves is growing at a rate of 6% every year,

VARVARA [1.3K]

Answer:

$P(t) = 1460(1.06)^t$

Step-by-step explanation:

Exponential equation for population growth:

The exponential equation for a population after t years is given by:

$P(t) = P(0)(1+r)^t$

In which P(0) is the initial population and r is the growth rate, as a decimal.

Currently, there are 1,460 wolves in Scataway National Park.

This means that $P(0) = 1460$

Growing at a rate of 6% every year:

This means that $r = 0.06$ . So

$P(t) = P(0)(1+r)^t$

$P(t) = 1460(1+0.06)^t$

$P(t) = 1460(1.06)^t$

6 0

3 years ago

Find the missing angle.

alex41 [277]

Answer:

x = 63°

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS
Equality Properties

Geometry

All angles in a triangle add up to 180°

Step-by-step explanation:

Step 1: Set up equation

x + 94° + 23° = 180°

Step 2: Solve for x

Combine like terms: x + 117° = 180°
Subtract 117° on both sides: x = 63°

6 0

2 years ago

Read 2 more answers

harrison pours sand into a bucket at a constant rate. the graph shows the total weight of the bucket and the sand over time. aft

mash [69]

Answer:

The answer is " $\bold{y=4x+17}$ ".

Step-by-step explanation:

In the given statement the graph is missing. So, the correct solution to this question can be described as follows:

Given

graph point: $\bold{(2, 25)}$

Line points: $\bold{(0,10), \ \ and \ \ (10,50)}$

The Formula of slope:

$\boxed{M= \frac{y_2-y_1}{x_2-x_1}}\\\\\Rightarrow x_1= 0, y_1= 10 \\\\\Rightarrow x_2= 10, y_2=50\\\\\Rightarrow M= \frac{50-10}{10-0}\\\\\Rightarrow M=\frac{40}{10}\\\\\Rightarrow M= 4\\$

Assuming point: (x,y)

Graph point: (2,25)

M= 4

Equation:

$\Rightarrow \frac{25-y}{2-x}=4\\\\\Rightarrow 25-y=4(2-x)\\\\\Rightarrow 25-y=8-4x\\\\\Rightarrow y= 4x-17\\$

7 0

2 years ago