All categories

3 years ago

Please help with this practice so I can study for my final I am stuggling bad! I will give brainiest for the correct answers!

Mathematics

2 answers:

emmainna [20.7K]3 years ago

6 0

Answer:

17.25

Step-by-step explanation:

WARRIOR [948]3 years ago

3 0

Answer:

1) 102

2) x = 31°; y = 6

3) m = 28°, n = 31°

4) x = 79°

Step-by-step explanation:

1) Angle ABD = 180 - 2(69) = 42

Angle DBC = 180/3 = 60

Angle ABC = 42 + 60 = 102

2) Angle ABC = 180 - 2(59) = 62

x = 62/2

x = 31°

ABD and CBD are congruent triangles so y = 6

3) 118 = m + 90

Exterior angle = sum of interior angles

m = 118 - 90 = 28°

n = (180-118)/2 = 31°

4) x = (180-22)/2 = 79°

You might be interested in

A scientific model doesn’t need to be something physical. It can also be a mathematical __________

MAVERICK [17]

Answer:

2+4

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

Autumn buys eggs and apples at the store.

soldier1979 [14.2K]

Answer:

$\frac{(5.76-34.14)}{6}$

Step-by-step explanation:

8 0

2 years ago

Write the explicit formula for the geometric sequence 2, 8, 32, 128

Alja [10]

The first term, a, is 2. The common ratio, r, is 4. Thus,

a_(n+1) = 2(4)^(n).

Check: What's the first term? Let n=1. Then we get 2(4)^1, or 8. Is that correct? No.

Try this instead:

a_(n) = a_0*4^(n-1). Is this correct? Seeking the first term (n=1), does this formula produce 2? 2*4^0 = 2*1 = 2. YES.

The desired explicit formula is a_(n) = a_0*4^(n-1), where n begins at 1.

3 0

3 years ago

F(x)=x^2+10x-12

weqwewe [10]

Answer:

Therefore the two values required are 2.08 and -11.08.

Step-by-step explanation:

i) f(x) = $x^{2}$ + 10x - 12 is a quadratic equation and a quadratic equation will have two roots whose values when substituted in to the given quadratic equation will give the value.