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Snowcat [4.5K]
3 years ago
7

Find the value of x, rounded to the nearest tenth.

Mathematics
1 answer:
Ludmilka [50]3 years ago
5 0

Answer:

<h2>4</h2>

Step-by-step explanation:

When two secants of a circle intersects at an exterior points, their sides segments product are proportional, that is

3 \times  8 = x \times 6\\\frac{24}{6}=x\\ x=4

Therefore, the right answer is the third choice.

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What is 7 times as much as the sum of 1/3 + 4/5
riadik2000 [5.3K]
Lets write the problem info into an equation and solve step by step:
7(1/3 + 4/5)
the minimum common multiple of 3 and 5 is 15, so we multiply and divide the fractions by a proper number to convert them to be divided by 15 so is easier to add them:
<span>(1/3)(5/5) = (1*5)/(3*5) = 5/15
(4/5)(3/3) = (4*3)/(5*3) = 12/15
</span>so we substitute in the original equation:
7(1/3 + 4/5<span>)
</span>= 7(5/15 + 12/15<span>)
= 7(17/15)
= (7*17)/15
= 119/15</span>
8 0
3 years ago
How many milligrams is equal to 85 grams?
myrzilka [38]

85,000 milligrams is equal to 85 grams! :)

5 0
3 years ago
Read 2 more answers
The model below represents the equation 3x + 4 = 7.
777dan777 [17]

Answer:

the answer is C

Step-by-step explanation:

4 0
3 years ago
In 2010, there were 311 middle schools in Virginia. In 2016, there were 306. By what percent did the number of middle schools in
Nataly_w [17]

Answer:1.6%

Step-by-step explanation: no of students in 2010=311

no of students in 2016=306

difference=311-306

                 =5

%decrease=5/311 x 100

3 0
3 years ago
Chocolate chip cookies have a distribution that is approximately normal with a mean of 24.1 chocolate chips per cookie and a sta
garik1379 [7]
P5

From Z tables and at P5 = 5% = 0.05, Z = -1.645
Therefore,
True value = mean +Z*SD = 24.1+(-1.645*2.1) = 20.6455 Chips per cookie

P95

From Z table and at P95=95%=0.95, Z= 1.645
Therefore,
True value = 24.1 +(1.645*2.1) = 27.5545 Chips per cookie

These values shows the percentages of amount of chips in the cookies. Thus, the more the percentage considered, the more the amount of chips in the cookies. This can be used to control the number of chips in cookies during production.
7 0
3 years ago
Read 2 more answers
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