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3 years ago

A certain triangle has two 45° angles. What type of triangle is it?

Mathematics

1 answer:

wariber [46]3 years ago

5 0

Answer:

an acute triangle

Step-by-step explanation:

an acute triangle has angles that are less than 90 degrees

right triangles have a right angle

obtuse triangles have angles greater than 90 degrees

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Solve F(x) for the given domain.

iris [78.8K]

Answer:

A. -4

Step-by-step explanation:

F(-1) means we must plug the number "-1" in for each x.

F(x) = x^2 + 3x - 2

F(-1) = (-1)^2 + 3(-1) - 2

= 1 - 3 - 2

= -4

3 0

3 years ago

Fill in the blank with a constant, so that the resulting quadratic expression is the square of a binomial. $\[x^2 + 22x + \under

saw5 [17]

Answer:

$\[x^2 + 22x + 121\]$

Step-by-step explanation:

Given

$\[x^2 + 22x + \underline{~~~~}.\]$

Required

Fill in the gap

Represent the blank with k

$\[x^2 + 22x + k\]$

Solving for k...

To do this, we start by getting the coefficient of x

Coefficient of x = 22

Divide the coefficient by 2

$Result = 22/2$

$Result = 11$

Take the square of this result, to give k

$k= 11^2$

$k= 121$

Substitute 121 for k

$\[x^2 + 22x + 121\]$

The expression can be factorized as follows;

$x^2 + 11x + 11x + 121$

$x(x + 11)+11(x+11)$

$(x+11)(x+11)$

$(x+11)^2$

Hence, the quadratic expression is $\[x^2 + 22x + 121\]$

8 0

3 years ago

Read 2 more answers

2. If you invest $10,000 in a bank which one is a better investment? A. 9% compounded monthly B. 9.3% compounded annually

Tcecarenko [31]

Answer:

A . 9% compounded monthly

Step-by-step explanation:

because  9% × 31 ( 31 is number of days in month ) = 2. 79

7 0

2 years ago

The angle between two sides of a triangle is increasing at the rate of 0.03 radians per second. One side of the triangle measure

Rainbow [258]

Answer:

its the other won D

Step-by-step explanation:

5 0

3 years ago

V= 4 (3.14) (3cubed)

wel

The answer is 339.12

7 0

3 years ago

Read 2 more answers