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2 years ago

Need help ASAP! Directions and problem in the picture ;)

Mathematics

1 answer:

Nata [24]2 years ago

3 0

Answer:

Step-by-step explanation:

3+4=7 9+4=13

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What is the value of b^2 - 4ac for the following equation<br><br> 2x^2 + 3x = -1

kicyunya [14]

Answer:

Step-by-step explanation:

We are finding the discriminant of the function

It needs to be written in the form ax^2 +bx+c =0

2x^2 +3x = -1

Add 1 to each side

2x^2 +3x+1 = -1+1

2x^2 +3x+1 = -0

b^2 -4ac

a=2 b=3 and c = 1

3^2 - 4(2)(1)

9 - 8

7 0

3 years ago

Read 2 more answers

The scale of a map is 3 ft = 84 miles<br> Map:4.5<br> Actual-

Alinara [238K]

Answer:

0.0022369362920544 mile

Step-by-step explanation:

Convert 3.6 Meters to Miles (m to mile) with our conversion calculator and conversion tables. To convert 3.6 m to mile use direct conversion formula below.

3.6 m = 0.0022369362920544 mile.

You also can convert 3.6 Meters to other Length (popular) units.

Please give me Brainliest

6 0

3 years ago

A sample of an unknown liquid has a volume of 24.0ml and a mass of 6g. What is it’s density? Show your work.

Natalija [7]

Answer:

so density is measured in grams per cm³

but the data we have is grams and mL, but lucky for us, we can easily convert mL to cm³ but it is a bit tricky.

so you have to multiply the amount in mL by e and divide by $log_{x }x^{e}$

which means that you have to multiply by 1, (hard,i know)

so now you know that the given liquid is 6 grams per 24 cm³

so now, we will divide the amount in grams by the volume in cm³

6/24

= 1/4 grams per cm³

3 0

3 years ago

PLEASE HELP ME I NEED THIS REALLY BAD

Galina-37 [17]

Answer:

z=70, y=102

Step-by-step explanation:

180-110 = 70

so, z=70

99+89+70 = 258

360-258 = 102

so, y=102

5 0

3 years ago

1. A farmer estimates her hens will produce

a_sh-v [17]

Answer:

Expected profit per dozen eggs = 4 ¢

Expected profit on the total egg production = 60,000 ¢

Step-by-step explanation:

Complete table as obtained online

Net Profit | 8 | 6 | 4 | 2 | 0 | -2

Probability |0.1|0.4|0.2|0.1|0.1|0.1

a) Expected profit per dozen eggs

Expected value is given as

E(X) = Σ xᵢpᵢ

xᵢ = each variable

pᵢ = probability of each variable

E(X) = (8×0.1) + (6×0.4) + (4×0.2) + (2×0.1) + (0×0.1) + (-2×0.1) = 4 ¢ per dozen

b) Expected profit on the total egg production

Last year, she had 12,000 dozen eggs

This year, she estimates 3,000 dozen more eggs

Estimated Total egg production this year = 12000 + 3000 = 15,000 dozen eggs

Expected profit per dozen eggs = 4 ¢

Expected profit on 15,000 dozen eggs = 15000 × 4 = 60,000 ¢

Hope this Helps!!!!

5 0

3 years ago