All categories

2 years ago

CAN SOMEONE PLZZ HELP WIT THIS!!!!!

Mathematics

2 answers:

12345 [234]2 years ago

8 0

Answer:

180˚ or C

Step-by-step explanation:

Complementary angles are two angles that add up to 90˚.

Since m∠A = 40˚ then we can write and equation where ∠B equals x.

40 + x = 90

40 - 40 + x = 90 - 40

x= 50

m∠B = 50˚

Supplementary angles are two angles that add up to 180˚.

Since ∠B is the supplement of ∠C, we will use x as the value of ∠C.

50 + x = 180

50 - 50 + x= 180 - 50

x= 130

So ∠C = 180˚

Thus, 50˚ + 130˚ = 180˚

Shtirlitz [24]2 years ago

6 0

Answer:

Step-by-step explanation:

b and a=40⁰ so if b+c is supplementary they equal 180⁰ together so 180-40= 150⁰

You might be interested in

Figure A is a scale image of figure B. Figure A maps to figure B with a scale factor of 0.80. What is the value of x?

Ivan

Answer:

Step-by-step explanation:

x=5*0.8=4

5 0

3 years ago

Read 2 more answers

In remodeling a kitchen, a builder decides to place a splash-guard behind the sink consisting of eight 6-inch-square ceramic til

oksano4ka [1.4K]

Answer:

(a) 0.4242

(b) 0.0707

Step-by-step explanation:

The total number of ways of selecting 8 herbs from 12 is

$\binom{12}{8}=495$

(a) If 2 herbs are selected, then there are 8 - 2 = 6 herbs to be selected from 12 - 8 = 10. The number of ways of the selection is then

$\binom{10}{6}= 210$

Note that this is the number of ways that both are included. We would have multiplied by 2! if any of them were to be included.

The probability = $\dfrac{210}{495}=0.4242$

(b) If 5 herbs are selected, then there are 8 - 5 = 3 herbs to be selected from 12 - 5 = 7. The number of ways of the selection is then

$\binom{7}{3}= 35$

This is the number of ways that both are included. We would have multiplied by 5! if any of them were to be included. In that case, our probability will exceed 1; this implies that certainly, at least, one of them is included.

The probability = $\dfrac{35}{495}=0.0707$

6 0

3 years ago

Which of the following is equivalent to 9^5/2.

Korvikt [17]

Answer:

Step-by-step explanation:

3 0

2 years ago

What is slope-intercept form? <br> Why do we write equations using this form?

Brums [2.3K]

Slope intercept form is y=mx+b
m=slope
b=y-intercept

the slope is the rate of change of the graph, basically rise/run (change in y divided by change in x)

the y intercept is where the graph intercepts the y axis

we usually use this form because we can find the slope and find where it hits the y axis.
there are other forms that may be helpful later on, but this one is usually the easiest form to find from a graph

7 0

3 years ago

10/7=x/5 proportion

LUCKY_DIMON [66]

$\boxed{\boxed{\text{ if } \dfrac{a}{b}=\dfrac{c}{d} \text{ then }a\times d=b\times c}}$

$\dfrac{10}{7}=\dfrac{x}{5}\\\\10\times5=7\times x\\50=7x\\7x=50\\\\\boxed{x=\dfrac{50}{7}}$

4 0

3 years ago