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Tatiana [17]
3 years ago
9

I need help please !!!!!!

Mathematics
1 answer:
Len [333]3 years ago
8 0
4) 975
5) 53/7650
…… ,… … … …
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Chen is bringing fruit and veggies to serve at an afternoon meeting. He spends a total of $28.70 on 5 pints of cut veggies and 7
cricket20 [7]

Answer:

The price of a pint of veggies is $1.75

Step-by-step explanation:

* Lets change the story problem to equations and solve them to find

 the answer

- Chen is bringing fruit and veggies to serve at an afternoon meeting

- He spends a total of $28.70 on 5 pints of cut veggies and 7 pints

 of cut fruit

- The food cost is modeled by the equation 5 v + 7 f = 28.70, where

  v represents the cost of one pint of cut veggies and f represents

  the cost of one pint of cut fruit

∴ The first equation is 5 v + 7 f = 28.70 ⇒ (1)

- The cost of each pint of fruit is $2.85

∵ f represents the cost of one pint of cut fruit

∴ f = 2.85

- Substitute the value of f in equation (1) to find the value of v

∵ 5 v + 7 f = 28.70 ⇒ (1)

∵ f = 2.85

∴ 5 v + 7 (2.85) = 28.70

∴ 5 v + 19.95 = 28.70

- Subtract 19.95 from each side

∴ 5 v = 8.75

- Divide both sides by 5

∴ v = 1.75

∵  v represents the cost of one pint of cut veggies

∴ The price of a pint of veggies is $1.75

7 0
3 years ago
A store sells a pair of boots for $125.80 after a 45% markup what was the cost to the store
ladessa [460]
125.8 times 0.45
it equals 56.61
i think so but i MIGHT be wrong
sorry if i am
4 0
3 years ago
Read 2 more answers
Grace and her friend are doing some back to school shopping , Grace buys 4 binders and notebooks for 26.50 totalHer friend spend
soldier1979 [14.2K]

Answer:

What is the question asking to answer?

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Let μ denote the true average reaction time to a certain stimulus. For a z test of H0: μ = 5 versus Ha: μ > 5, determine the
hoa [83]

Answer:

0.0778, 0.1789,0.0250

Step-by-step explanation:

Given that μ denote the true average reaction time to a certain stimulus. For a z test of H0: μ = 5 versus Ha: μ > 5

(Right tailed test)

To find p value:

a) Z = 1.42: p = 0.077804

=0.0779

b) z = 0.92

p value = 0.1789

c)z= 1.96

p value = 0.0250

4 0
3 years ago
Prove the following identity.<br> [sin(x+y)+sin(x-y)]/[cos(x+y)+cos(x-y)] = tan(x)
tia_tia [17]
\frac{sin(x + y) + sin(x - y)}{cos(x + y) + cos(x - y)} = tan(x)
\frac{(sin(x)cos(y) + cos(x)sin(y)) + (sin(x)cos(y) - cos(x)sin(y))}{(cos(x)cos(y) - sin(x)sin(y)) + (cos(x)cos(y) + sin(x)sin(y))} = tan(x)
\frac{(sin(x)cos(y) + sin(x)cos(y)) + (cos(x)sin(y) - cos(x)sin(y))}{(cos(x)cos(y) + cos(x)cos(y)) + (-sin(x)sin(y) + (sin(x)sin(y))} = tan(x)
\frac{2sin(x)cos(y)}{2cos(x)cos(y)} = tan(x)
\frac{sin(x)}{cos(x)} = tan(x)
4 0
3 years ago
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