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Darya [45]
3 years ago
12

F(x)=square root 5x+7, g(x)= square root 5x-7 Find (f+g)(x)

Mathematics
1 answer:
o-na [289]3 years ago
5 0

Answer: sqrt of 5x+7+ sqrt of 5x-7

Step-by-step explanation:

You might be interested in
1- Find the surface area and volume of each solid figure.
Bess [88]

Answer:

Volume

Figure 1 = 56 cube units

figure 2 = 60 cube units

figure 3 =72 cube units

Surface area

Figure 1 = 100 square units

figure 2 = 104 square units

figure 3 =108 square units

Step-by-step explanation:

From the all figure we can see that each figure made up of unit cubes

<u>Figure 1</u>

<u>Surface area </u>

Large cuboid portion =2 x (6 x 2 ) +  (6 x 4) + 2 x(4 x 2) + 16

  = 24 + 24 + 16 + 16 = 80 unit square

Small cuboid portion = (4 x 2) + (2 x 2) + (4 x 2) = 8 + 4 + 8 = 20

Total surface area = 80 + 20 = 100 unit square

<u>Volume</u>

Small cuboid = 4 x 2 = 8

Large cuboid = 6 x 4 x 2 = 48 cube unit

Total volume = 48 + 8 = 56 cubs units

<u>Figure 2</u>

<u>Surface area </u>

Total surface area =24 + 18 + 36 + 20 + 6 = 104 unit square

<u>Volume</u>

Small cuboid = 6 x 2 = 12

Large cuboid = 6 x 4 x 2 = 48 unit square

Total volume = 48 + 12 = 60 cube units

<u>Figure 3</u>

<u>Surface area </u>

Total surface area = 48 + 36 + 24 = 108 square units

<u>Volume</u>

Total volume = 6 x 4 x 3 = 72 cube units

7 0
4 years ago
Alec is trying to find the surface area of a shoe box. What unit will he use?
trasher [3.6K]
Most likely inches or centimeters depending on where your from.
3 0
3 years ago
The weight of corn chips dispensed into a 24-ounce bag by the dispensing machine has been identified as possessing a normal dist
sergejj [24]

Answer:

0.0062 = 0.62% of the 24-ounce bags contain less than the advertised 24 ounces of chips.

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

Mean of 24.5 ounces and a standard deviation of 0.2 ounce.

This means that \mu = 24.5, \sigma = 0.2

What proportion of the 24-ounce bags contain less than the advertised 24 ounces of chips?

This is the p-value of Z when X = 24. So

Z = \frac{X - \mu}{\sigma}

Z = \frac{24 - 24.5}{0.2}

Z = -2.5

Z = -2.5 has a p-value of 0.0062.

0.0062 = 0.62% of the 24-ounce bags contain less than the advertised 24 ounces of chips.

6 0
3 years ago
Find two consecutive odd integers such that their product is 35 more than 8 times their sum
Akimi4 [234]
Im guessing 35 miltiplyed by 8 mean ing 35 by 8= 35of8 whitch is equal to 280
6 0
3 years ago
Can Someone please help me....Like pretty please....It would mean everything to me, Please help me out 1. 2. 3. 4. 5.
navik [9.2K]
<h3>Answers</h3>
  1. SSS congruence theorem
  2. SAS congruence theorem
  3. ASA congruence theorem
  4. AAS congruence theorem
  5. HL congruence theorem

================================

Explanation:

  1. SSS stands for "Side side side" indicating there are 3 pairs of sides that are same length. Visually we use tickmarks to show how the sides pair up. Eg: sides that have 1 tickmark only are the same length. If we know that all 3 pairs of sides are congruent, then we have enough info to conclude the triangles are congruent.
  2. SAS means "side angle side". The angle is between the two sides. The sides in question are the ones with tickmarks to indicate how they pair up.
  3. We have two angles and a side between them. So we use ASA this time. It stands for "Angle side angle". This is slightly different from AAS.
  4. We'll use AAS here. The side is not between the two angles. So this is why AAS is different from ASA. Some books may call "AAS" as "SAA", but they're the same thing.
  5. HL stands for hypotenuse leg. This only applies to right triangles (since the hypotenuse is a special term for the longest side of a right triangle). The hypotenuse is always opposite the 90 degree angle. This is the only time when SSA will work. Otherwise, SSA is ambiguous and it is not a valid congruence theorem.
6 0
3 years ago
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