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2 years ago

A student compiled a list of daily low temperatures (in °F) that she observed at her college last semester. The

Mathematics

1 answer:

wolverine [178]2 years ago

3 0

A I believe hope this helps

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Factorise : ab(x^2 - y^2) + (a^2 - b^2)xy = 0

yawa3891 [41]

Step-by-step explanation:

abx^2-aby^2+xya^2-xyb^2

abx^2+xya^2-aby^2-xyb^2

ax(bx+ya)-yb(ay+xb)

ax(bx+ya)-yb(xb+ay)

(ax-yb) (bx+ya)

7 0

1 year ago

Formulas and Literal Equations

miskamm [114]

Answer:

$x = 23$

Step-by-step explanation:

Given, $\frac{x - 5}{2} = 9$ , solve for x.

Multiply both sides by 2

$\frac{x - 5}{2} \times 2 = 9 \times 2$

$x - 5 = 18$

Add x to both sides

$x - 5 + 5 = 18 + 5$

$x = 23$

7 0

3 years ago

5 is what percentage of 10 question: now do I divide 5 divided by 10 equals 0.5 then do I multiply 0.5 by 100 or divide 0.5 by 1

lara31 [8.8K]

Answer:

50%

Step-by-step explanation:

5 question is what percentage of 10 question

Step 1: Divide 5 by 10

5/10 = 0.5

Step 2: multiply 0.5 by 100

0.5 × 100

= 50%

Therefore, percentage of 5 questions out of 10 questions is 50%

3 0

2 years ago

Add 1/2 + (-3/4)= show the work

AlekseyPX

2/4 - 3/4 = -1/4 hope this helps...

4 0

2 years ago

Read 2 more answers

CAN SOMEONE HELP ME !!!!!!!!!

MissTica

Answer:

She will get 80mg of dextromethorphan and 800mg of guaifenesin. And the bottle last for 6 days approximately.

Step-by-step explanation:

Given that the Robitussin DM contains dextromethorphan 10mg/5mL and gualfenesin 100mg/5mL. And we are also given that Mrs Smith took four doses and each dose is 2 teaspoons=2X5=10mL.

So, four doses=4X10=40mL.

So, dextromethorphan in 4 doses is = $\frac{10}{5}X40=80mg$

And Guaifenesin in 4 doses is = $\frac{100}{5}X40=800mg$

Dosage of medicine daily she has to take=40mL and the bottle contains 237 mL. Hence the number of days bottle last = $\frac{237}{40}=5.925$ ≈6 days approximately.

7 0

2 years ago