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3 years ago

Write and solve a proportion to complete the statement. Round your answer to the nearest hundredth. 90 lb ≈ kg

Mathematics

2 answers:

Talja [164]3 years ago

5 0

40.82 kg beacause one kg is 2.20462 pounds so if you add all that together it all adds up to that.

madreJ [45]3 years ago

4 0

1 kg = 2.2 lb
to set up your proportion
- put your given over one
90lb / 1
then multiply that by you conversion factor which is 1 kg = 2.2 lb
90lb/1 x 1kg/2.2lb
since you have lb on both the top and bottom that unit would cancel out leaving you with kg
if you multiply straight across you get 90 x 1 = 90 and 1 x 2.2 = 2.2
now you just divide the top number by the bottom number 90 ÷ 2.2 = 40.91 kg

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What is the value of d to the nearest tenth?

Ghella [55]

Answer: $d=13.8$

Step-by-step explanation:

A line that cuts a circle at two points is called "secant".

There is a theorem known as "Intersecting Secant Theorem". This is the theorem you need to use to find the value of "d".

According the Intersecting Secant Theorem:

$(14)(14+20)=(16)(16+d)\\(14)(34)=(16)(16+d)$

Having this expression, the next step is to solve for "d":

Use Distributive property:

$476=256+16d$

Subtract 256 from both sides:

$476-256=-256+256+16d$

$220=16d$

Divide both sides by 16:

$\frac{220}{16}=\frac{16d}{16}\\\\13.75=d$

The value of "d" rounded to the nearest tenth is:

$d=13.8$

6 0

3 years ago

What is the value of x in the equation −x = 4 − 3x + 6? A. 5 B. 10 C. −5 D. −10

Ann [662]

$-x = 4-3x+6$

Refine $4-3x + 6$

$-3x = 4+6$

$-3x = 10$

Add $3x$ to both sides:

$-x + 3x = -3x + 10 + 3x$

$2x = 10$

Divide both sides by 2 :

$\frac{2x}{2} = \frac{10}{5}$

$x = 5$

Answer a

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8 0

3 years ago

Read 2 more answers

A university law school accepts 2 out of every 5 applicants. If the school accepted 180 students, find how many applications the

Lubov Fominskaja [6]

You can set up rations to do this.
So we know that they accept 2:5.
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2 years ago

Kenny has $1,400 in the bank. He earns $150 every week at his afterschool job. What is the rate of change for the scenario descr

Vadim26 [7]

The rate of change would be equal to the amount of money that Kenny is earning every week, since there are no expenses that are removing money from his account. In this case, it would be the $150 that he is putting into the account weekly.

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3 years ago

Find X and BDL. please Help :(

tatiyna

Answer:

Step-by-step explanation:

BD=BL(given)

so ∠BLD=∠BDL=3x

90+∠GBD+30=180

∠GBD=180-120=60°

Also ∠GBD=∠BLD (given)

so ∠BDL=60°

3x=60

x=20°

8 0

2 years ago