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3 years ago

I’m broke with points

Mathematics

2 answers:

Kamila [148]3 years ago

8 0

Answer:

12.6

Step-by-step explanation:

jolli1 [7]3 years ago

4 0

It would 12.6 cause if you divid 12 and 20 together you get 0.6 and you don’t have to change the 12 so yay

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The value of expression: x+7+4(x-5) where x=2

vitfil [10]

Answer:

2+7+4(2-5)

9+4(-3)

9+(-12)

9-12 = - 3

7 0

3 years ago

Working alone and at a constant rate, Machine A takes 3 hours to create a widget. Machine B, working alone and at a constant rat

PilotLPTM [1.2K]

Answer:

Time required by Machine B to create a widget = 4 hours

Step-by-step explanation:

Time taken by Machine A ( $T_{A}$ ) = 3 hours

Time taken by Machine B ( $T_{B}$ )= x hours

Time taken by both machines by working together = 12 hours

The time required to both machines by working together to finish a task is given by the formula = $\frac{T_{A} {T_{B} } }{T_{A} + T_{B} }$

Put the values in above formula we get

⇒ T = $\frac{3 x}{3 + x}$

⇒ 12 = $\frac{3 x}{3 + x}$

⇒ 36 + 12 x = 3 x

⇒ x = - 4 hours

This is the time required by Machine B to create a widget.

8 0

3 years ago

List all pairs of congruent angles. Then write the ratios of the corresponding side lengths in a statement of proportionality

PIT_PIT [208]

Answer:

Part A)

m<BDG=m<MPQ

m<DBG=m<PMQ

m<DGB=m<PQM

Part B) $\frac{BD}{MP}=\frac{DG}{PQ}=\frac{BG}{MQ}$

Step-by-step explanation:

we know that

If two triangles are similar, then the ratio of its corresponding sides is equal and its corresponding angles are congruent

Part A)

we have that

the congruent angles are

m<BDG=m<MPQ

m<DBG=m<PMQ

m<DGB=m<PQM

Part B) The ratio of its corresponding sides is equal to

$\frac{BD}{MP}=\frac{DG}{PQ}=\frac{BG}{MQ}$

8 0

3 years ago

X3−3=x9+3 what the answer

dlinn [17]

x = x ≈ − 1.25992104

3 0

3 years ago

2 triangles are shown. The first triangle has side lengths 35, 20, and 20. The second triangle has side lengths x, 44, 44.

Ad libitum [116K]

The value of x is 77 cm which will make the triangles similar by SSS similarity theorem

Given length of the three sides of one triangle are 35 , 20 and 20

and length of the three sides of another triangle are x, 44,44

We need to find the values of x by using SSS Similarity theorem

We know that triangles are are similar by side - side - side similarity creation and hence the sides are in the same ratio

As both the triangles are isosceles triangles

Therefore ,

x/35 = 44/20=44/20 (Using ratio)

Solving the equation we get

x=44*35/20

x= 77

Hence the value of x is 77cm

Learn more about similarity of triangles here brainly.com/question/14285697

#SPJ10

8 0

2 years ago