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4 years ago

What is 2n - 3 = 9 ( solve the equation)

Mathematics

1 answer:

BartSMP [9]4 years ago

5 0

$2n - 3 = 9 \\ 2n = 12 \\ n = 6$

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Factor the following expression. x4 – 3x2 - 4

Liono4ka [1.6K]

(x2 +1) (x2-4) (mark as brainiest)

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3 years ago

Kevin is making a picture frame. He has a piece of trim that is 4 feet long. How many 14-inch long piece can kevin cut from the

Alex777 [14]

First, convert 4 feet into inches - 48 inches. Then, divide 48 by 14 to get 3.43, so he can have 3 14-inch long pieces. To get the left over out of a foot, take 14 x 3 to get 42, then subtract 42 from your original 48 inches to get 6 inches left, which is half of a foot.

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3 years ago

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Round down this calculation to Ofe ucci piacer ). Order: Uniphyl (theophylline) 5 mg/kg po loading dose stat. The strength of th

Marta_Voda [28]

Answer:

1 tablet

Step-by-step explanation:

Data provided in the question:

The dose of the Uniphyl = 5 mg/kg

Strength of the Uniphyl = 400 mg per tablet

Weight of the patient = 76 kg

Now,

The recommended dose for the patient

= Dose of the Uniphyl × weight of the patient

= 5 mg/kg × 76 kg

= 380 mg

Therefore,

The number of tablets to be administered to the patient

= $\frac{\textup{Recommended dose for the patient}}{\textup{Strength of the Uniphyl}}$

= $\frac{\textup{380}}{\textup{400}}$

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7 0

3 years ago

What is the area of the shaded region? ? mm2

alexdok [17]

Answer:

im not great at math but i believe the answer is 24mm^2

Step-by-step explanation:

triangle area formula- (B*H)/2

large triangle:

6+4+2=12

H=12

B=5

5*12=60

60/2=30

small trangle:

4*3=12

12/2=6

30-6=24

therefore answer should be 24mm^2

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3 years ago

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Y =1/4x + 3 Y = -1 Help me

kap26 [50]

Y = 7

Explication pas à pas:

x est -3 donc -3 et connectez le x.

Y = -1 / 3 (-3) +5.

Y = 1 + 5

Y = 7

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4 years ago