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Sergeu [11.5K]
3 years ago
9

Two complementary angles have measures of s and t. if t is less than twice s, which system of linear equations can be used to de

termine the measure of each angle? Please explain answer. I know s+t=90. But how do you get to t=2s-90
Mathematics
1 answer:
stealth61 [152]3 years ago
3 0

The required expressions are both equations 1 and 2 as shown:

s + t = 90 ......... 1

t .... 2

Complementary angles are angles that sum up to 90 degrees. For instance, and A and B are complementary if A + B = 90.

According to the question, if two complementary angles have measures of s and t then:

s + t = 90 ......... 1

Twice of 's' is expressed as 2s

If t is less than twice s, this can be expressed as t .... 2

The required expressions are both equations 1 and 2 as shown:

s + t = 90 ......... 1

t .... 2

Learn more on word problems leading to simultaneous equations here: brainly.com/question/14294864

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evelyn bought 2 pounds,9 ounces of chicken at the grocery store.how many ounces of chicken did she buy?​
fredd [130]

Answer:

41 ounces, as 2 pounds is 32 ounces and you just add 9

6 0
3 years ago
Tony is opening a pizza restaurant and needs to determine the amounts of ingredients he will use in his pizzas. He wants the amo
Vika [28.1K]

The equation that represents this situation while the variable s representing the amount of dough needed , for a small pizza is (5/2)S = (3/2)S + S  .

In the question ,

it is given that

amount of dough for a medium pizza is 3/2 times the amount of dough for small pizza ,

let the amount of dough required for small pizza = S

let the amount of dough required for large pizza = L

let the amount of dough required for medium pizza = M

So , M = (3/2)S

and amount of dough for a large pizza is 5/2 times the amount of dough for small pizza ,

that is

L = (5/2)S

amount of dough used for one large pizza is equal to the amount of dough used for one medium and one small pizza ,

that is L = M + S .

Substituting the value of L and S , we get

(5/2)S = (3/2)S + S

We have a linear equation that is true for all S , there is no unique solution to this equation .

Therefore , The equation that represents this situation is (5/2)S = (3/2)S + S .

The given question is incomplete , the complete question is

Tony is opening a pizza restaurant and needs to determine the amounts of ingredients he will use in his pizzas. He wants the amount of dough for a medium pizza to be 3/2 times the amount of dough for a small pizza. And, he wants the amount of dough for a large pizza to be 5/2 times the amount of dough for a small pizza. Also, the amount of dough used for one large pizza should to be equal to the amount of dough used for one medium and one small pizza. So, he needs to determine how much dough to use for a small pizza. Use this information to complete the following tasks.

Write an equation to represent this situation while the variable s representing the amount of dough needed , for a small pizza .

Learn more about Equation here

brainly.com/question/17026235

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4 0
1 year ago
Simplify each expression by combining like terms <br> 3x^-1 - 10x^-1
Dmitry_Shevchenko [17]

Answer:

-7/x

Step-by-step explanation:

first, you combine the terms together to get -7x^-1. you cant have negative exponents in the numerator so you move the x^-1 to the denominator. once it move its becomes positive then.

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4 years ago
Which expression is equivalent to (−7x+8x+19y)−(6y+8−20x−16y)?
Kisachek [45]

Answer:

21x + 29y - 8

Step-by-step explanation:

(−7x+8x+19y)−(6y+8−20x−16y)

−7x+8x+19y−6y-8+20x+16y

(−7x+8x+20x)+(19y−6y+16y)-8

21x + 29y - 8

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2 years ago
Jon and Jim are cutting a log Jon cut 1/5 of the log on one end while Jim cut 2/9 of the log on the other side.How much of the l
Nuetrik [128]
There is 26/45 of the log left.
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