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Semmy [17]
4 years ago
13

Nia and Trey both had a sore throat so their mom told them to gargle with warm salt water.

Mathematics
1 answer:
Reika [66]4 years ago
6 0

Answer:

  both mixes used the same ratio of salt to water.

Step-by-step explanation:

Nia used double Trey's recipe, doubling both the salt and the water. So, the ratio of salt to water was the same in each mix.

__

Trey's recipe: (1/2 tsp salt : 1.5 cups water)

Nia's recipe: 2(1/2 tsp salt : 1.5 cups water) = 1 tsp salt : 3 cups water

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6. Solve the equation: h/9 = 7.<br><br> A. h = -63<br> B. h=63<br> C. h=127<br> D. h = 7/g
VashaNatasha [74]

Answer:

B) h=63

Step-by-step explanation:

Multiply both sides by 9.

h/*9=9*7

Simplify

h=63

3 0
2 years ago
Read 2 more answers
a bag contains a mixture of almonds walnuts and cashews there's an equal quantity of each nut. If a nut is chosen randomly out o
Yanka [14]

Answer:

P(either almond or cashew) = ⅔

Step-by-step explanation:

We are told that the bag contains a mixture of almonds walnuts and cashews of equal number.

Since the 3 nuts are equal in number, they will have a ratio of 1:1:1.

So, when a nut is chosen randomly,

Probability of choosing almond = 1/3

Probability of choosing cashew = 1/3

Thus,

Probability of choosing either almond or cashew in a random selection will be the sum of their individual probability.

So,

P(either almond or cashew) = ⅓ + ⅓ = ⅔

5 0
3 years ago
Simplify this expression : 2(y+z)
kap26 [50]

Answer:2y + 2z

Step-by-step explanation: you need to multiply the number outside of the parenthesis with the one inside like.

6 0
3 years ago
Read 2 more answers
DUE: 10-31-2019
Mamont248 [21]

Answer:

Here's what I get  

Step-by-step explanation:

I plotted the triangles in the diagram below.

Part A

The scale factor for dilation is ½, because every coordinate has been halved.

  P (8, 0) ⟶ P' (4, 0)

  Q (6, 2) ⟶ Q' (3, 1)

R (-2, -4) ⟶ R' (-1, -2)

Part B

When you reflect a point (x, y) about the y-axis, the y-coordinate remains the same, but the x-coordinate gets the opposite sign. Thus,

  P' (4,0) ⟶ P" (-4,0)

Q' (3,-1) ⟶ Q" (-3,-1)

R' (-1,-2) ⟶ R" (1,-2)

∆P"Q"R" has coordinates P" (-4,0), Q" (-3,-1), R"(1,-2).

Part C

∆PQR and ∆ P"Q"R" are not congruent, because corresponding sides are not equal.

5 0
3 years ago
Olga buys a 5-year increasing annuity for X. Olga will receive 2 at the end of the first month, 4 at the end of the second month
kati45 [8]

Answer:

Nominal interest rate is = 9% converible quaterly

we need to find monthy effective interest rate

0.09

i = 0.00744 or 0.75% approximately

i can also be taken as = 0.09/12

now PV of annuity will be the market price i.e x

6 60 *2 ---------------------a

Multiply equation by \frac{1}{1+i} both sides

6 60 2 PV ---------------b

Subtract equation b from a

60 2 PV (1 1+i (1+2)1 (1+2)2 (1+2)3 (1+2)60 (1+961

60 2 PV( 1 +i

on putting i = 0.00744

PV = 2733.88 approximately

X = 2733.88

Step-by-step explanation:

8 0
3 years ago
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