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Snowcat [4.5K]
3 years ago
11

75 points

Mathematics
1 answer:
tekilochka [14]3 years ago
6 0

-- Big D

-- little d

-- a and d

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PLEASE HELP! I need help on this
Alja [10]
99+2x=180
x=40.5
99>
40.5
6 0
3 years ago
What is the positive solution to the equation 0 = –x2 + 2x + 1? Quadratic formula: x = StartFraction negative b plus or minus St
Vladimir [108]

Answer:

See attached for a "Neat" quadratic formula.

a = -1

b = 2

c = 1

x = [-2 +- sqr root( 4 -4*-1*1)] / -2

x = [-2 +- sqr root( 4 -4*-1*1)] / -2

x = [-2 +- sqr root(8)] / -2

x1 = (-2 +2.8284271247)  / -2

x1 = .8284271247 / -2

x1 = -0.41421

x2 = (-2 -2.8284271247)  / -2

x2 = ( -4.8284271247)  / -2

x2 = 2.4142135624

So the equation has the positive solution of

2.4142135624

Step-by-step explanation:

3 0
3 years ago
Use the information to answer the questions. In triangle ABC, a = 11 in., m<B=70, and c=9 in. Which information about the tri
nataly862011 [7]
Answer:
SAS

Explanation:
In triangle ABC:
a would be the side opposite to angle A
c would be the side opposite to angle C

Combining the given, we would fine that we have the measures of two of the sides and the measure of the angle included between them.
This means that we have SAS information.

Check the attached image for visual illustration.

Hope this helps :)

4 0
3 years ago
Read 2 more answers
This graph represents which of these expressions?
Lelu [443]

Answer:

x > 43

Step-by-step explanation:

Open circle at 43, which means it is not equal to 43

Line goes to the right, which means x is greater than

x > 43

6 0
3 years ago
Need help to solve this ASAP #11
goblinko [34]

Answer:

Obtuse

Step-by-step explanation:

All sides combined are greater 90  

8 0
3 years ago
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