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fgiga [73]
3 years ago
5

I got a few 1000 more lol :')

Mathematics
2 answers:
notsponge [240]3 years ago
7 0

Answer:

92

Step-by-step explanation:

Start with the first sentence. 7 crates of 12 eggs each and you need to find out how many eggs that is; that's just 12 + 12 + 12 + 12 + 12 + 12 + 12, or 12 * 7, which equals 84.

Real question is: how many do they have now? Well, if they had 8 eggs at first and they just bought 84 more, then the answer is just 8 plus the 84 that they just bought, which is 92.

Please mark as Brainliest! :)

Anvisha [2.4K]3 years ago
4 0

Answer:

Your correct answer is that they now have 76 eggs left.

Step-by-step :

So, to start off, they had 7 boxes with each box with 12 eggs. So multiply 7 by 12.

7 x 12 = 84

Now, they ate 8 eggs.

84 - 8 = 76 eggs

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how many gallons of a 70% antifreeze solution must be mixed with 80 gallons of 25% antifreeze to get a mixture that is 60% antif
Law Incorporation [45]

Answer:m(.70)+80(.25)=.6(m+80)

.7m+20=.6m+48

.1m=28

m=28/.1=280 gallons of 25% antifreeze needed

Step-by-step explanation:

6 0
3 years ago
Find the perimeter of the figure
nalin [4]

Answer:

The perimeter is 66.9 units

Step-by-step explanation:

See the attached figure with letters to better understand the problem

step 1

In the right triangle ABD

<em>Find the length side AD</em>

tan(33^o)=\frac{8}{AD} ----> by TOA (opposite side divided by the adjacent side)

AD=\frac{8}{tan(33^o)}=12.3\ units

Find the length side BD

sin(33^o)=\frac{8}{BD} ---> by SOH (opposite side divided by the hypotenuse)

BD=\frac{8}{sin(33^o)}=14.7\ units

step 2

In the right triangle CDE

Find the length side CE

cos(64^o)=\frac{CD}{CE} --> by CAH (adjacent side divided by the hypotenuse)

we have

CD=BD/2=14.7/2=7.35\ units

substitute

CE=\frac{7.35}{cos(64^o)}=16.8\ units

Find the length side DE

tan(64^o)=\frac{DE}{CD} --> by TOA (opposite side divided by the adjacent side)

DE=tan(64^o){7.35}=15.1\ units

step 3

Find the perimeter of the figure

The perimeter is equal to

P=AB+AD+BD+CE+DE

substitute the values

P=8+12.3+14.7+16.8+15.1=66.9\ units

5 0
3 years ago
The y-intercept of the line whose equation is 3x - 2y = 6 is
Nimfa-mama [501]
Y-intercept happens when the x-coordinate equals zero

Subtitute x with 0 from the equation
<span>3x - 2y = 6
3(0) - 2y = 6
0 - 2y = 6
-2y = 6
y = 6/-2
y = -3

The y-intercept is -3</span>
3 0
3 years ago
How do I solve this question ?
Phoenix [80]

Answer:

x=37 CD=20

Step-by-step explanation:

We know this becuase the two triangles are congruent.

3 0
3 years ago
8.The weight distribution of parcels sent in a certain manner is normal with mean value 12lb and standard deviation 3.5 lb. The
Sladkaya [172]

Answer:

The value is c = 21.1445.

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

The weight distribution of parcels sent in a certain manner is normal with mean value 12lb and standard deviation 3.5 lb.

This means that \mu = 12, \sigma = 3.5

What value of c is such that 99% of all parcels are at least 1 lb under the surcharge weight?

This 1 added to the value of X for the 99th percentile, which is X when Z has a p-value of 0.99, so X when Z = 2.327.

Z = \frac{X - \mu}{\sigma}

2.327 = \frac{X - 12}{3.5}

X - 12 = 2.327*3.5

X = 20.1445

1 + 20.1445 = 21.1445

The value is c = 21.1445.

7 0
3 years ago
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