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melisa1 [442]
3 years ago
13

Hurryyyy I’m taking a testtttt . Which value of x satisfies the equation 2(5x + 1) - 2x = 2 - 2(3x + 1)?

Mathematics
1 answer:
lapo4ka [179]3 years ago
3 0
I think it’s B minus 1 over 7
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Find SP where MP=Rs875 and discount =Rs75
liraira [26]

Answer:

SP is Rs 800.

Step-by-step explanation:

MP = Rs 875

Discount = Rs 75

so

SP = MP - discount

= Rs 875 - Rs 75

= Rs 800

4 0
3 years ago
Every year on November 1, the Stablo family plants a tree. This tradition has happened for generations and the first tree the fam
LenKa [72]

Answer:

Apple- 14 Maple- 154

Step-by-step explanation

Since 11 x n - n is equal to a number that ends in 10, 20 etc. and the number has to be a multiple of 11 for the maple tree, and the difference has to stay the same throughout two all we need to find is 15 x n = a number that is divisable by 10. 15 x 10 = 150 so that's the age of the trees this year, and the difference between the trees is 140 so it corresponds with our rule. and the multiple of 11 that the difference is 140 is 11 x 14 = 154 and 154 - 11 = 140. Therefore the apple tree is 14 years old and the maple tree is 154 years old.

8 0
3 years ago
Please someone help me ASAP
galben [10]
It should be #4. or d to clarify

6 0
3 years ago
Read 2 more answers
A person standing cloes to the edge on the top of a 200-foot building throws a baseball vertically upward. The quadratic functio
RoseWind [281]

Answer:

See below in bold.

Step-by-step explanation:

A).  s(t)= -16t^2+64t+200

Converting to vertex form.

s(t) = -16 (t^2 - 4t) + 200

s(t) =  -16 [(t - 2)^2 - 4] + 200

s(t) = -16(t - 2)^2 + 64 + 200

s(t) =  -16(t - 2)^2 + 264

The maximum height is after 2 seconds and it is 264 feet.

B) The ball hits the ground when s(t) = 0 so we have:

-16t^2+64t+200 = 0

x [-64 +/- sqrt (64^2 - 4*-16*200) ] / -32

x = 6.06, -2.06

So the answer is 6.06 seconds.

6 0
3 years ago
Identify which type of sampling is​ used: random,​ systematic, convenience,​ stratified, or cluster. Upper A magazine asks its r
AlladinOne [14]

Answer:

Convenience sampling

Step-by-step explanation:

Convenience sampling is a type of non-probability sampling method that is used base on the ease of access to subjects or people. The only criteria is whether the participants agree to participate. It is the most commonly used sampling technique because it is readily available, easy to access, prompt, uncomplicated, and economical. Although it is not often recommended for research because of sampling error possibility and lack of representation of population. Examples of convenience sampling are sharing flyers of upcoming events or promotion in a shopping mall, asking people to answer questions in a store, online and offline survey and collecting market research data from a conveniently available pool of respondents.

Considering, Upper A magazine asks its readers to call in their opinion regarding the quality of the articles is a convenient way of collecting market research data from available readers who may agree to participate. Therefore, the sampling is a convenience sampling.

6 0
3 years ago
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