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3 years ago

Select all the sets of conditions that will create only one unique triangle.

Mathematics

1 answer:

DIA [1.3K]3 years ago

8 0

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Which shows the correct substitution of the values a,b,and c from the equation 0=4x^2+2x-1 into the quadratic formula below

lutik1710 [3]

Given quadratic equation : $0 = 4x^2+2x- 1$

Let us apply standard quadratic form $0=ax^2+bx+c$

We know, quadratic formula

$x = \frac{-b+-\sqrt{b^2-4ac}}{2a}$

a = 4

b = 2

c= -1

Now we plug in all the values in quadratic formula

$x = \frac{-b+-\sqrt{b^2-4ac}}{2a} \\ x = \frac{-2+-\sqrt{2^2-4(4)(-1)}}{2(4)}\\ x = \frac{-2+-\sqrt{18}}{8}$ .

<h3>The above one is the substitution of values of a,b,c in quadratic formula.</h3>

4 0

3 years ago

Read 2 more answers

2s 5 is greater or equal to 49

Aleksandr [31]

Your answer would be 2s5<49

8 0

4 years ago

A real estate agent would like to predict the selling price of a single-family house by predicting the price (in thousands of do

forsale [732]

Answer:

$173493.8

Step-by-step explanation:

Data provided in the question:

LSRL for the data is ? = 3.8785x + 18.3538

Here,

x is area in 100 square feet

and

price in thousands of dollar

Thus,

For the given area 4000 square foot

x = 4000 ÷ 100 = 40 [Area in 100 square feet]

Therefore,

Using the given equation

Price = 3.8785(40) + 18.3538

Price = 173.4938 in thousands of dollar

Price = 173.4938 × $1000

Price = $173493.8

8 0

4 years ago

What is the measure?

Tju [1.3M]

62 degrees. they’re vertical to each other which means they are congruent

8 0

3 years ago

Read 2 more answers

Peregrine falcons can dive at speeds of up to 217 miles per hour. Use dimensional analysis to convert this speed to feet per min

RSB [31]

The speed 217 miles per hour using dimensional analysis to convert to feet per minute is; 19096 ft/min

<h3>How to use Dimensional Analysis?</h3>

From dimensional analysis, we know that;

1 mile = 5280 feet

1 hour = 60 minutes

Thus;

1 mile/hr = 88 feet/min

Since conversion from mph to ft/min is, 1 mile/hr = 88 feet/min

Then, 217 mile/hr = (217 mile/hr/1 mile/hr) * 88 feet/min

⇒ 19096 ft/min

Read more about Dimensional Analysis at; brainly.com/question/20712353

#SPJ1

3 0

3 years ago