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KIM [24]
3 years ago
8

Devbra swims 80 laps each practice and Mike swims 75 laps each practice. They each practice 4 days a week. How many laps do they

swim altogether in a week
Mathematics
1 answer:
fenix001 [56]3 years ago
6 0

Answer:

620

Step-by-step explanation:

80*4=320

75*4=300

320+300=620

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given two angles that measure 50 and 80 and a side that measures 4 feet how many triangles if any can be constucted
Ierofanga [76]

There is only one triangle possible having angle 50, 50, 80.

<h3>What is isosceles triangle?</h3>

An Isosceles Triangle has the following properties:

  • Two sides are congruent to each other.
  • The third side of an isosceles triangle which is unequal to the other two sides is called the base of the isosceles triangle.
  • The two angles opposite to the equal sides are congruent to each other.

It is given that, 2 angles of a triangle as:

∠1 = 50°

∠2 = 80°

Now we know the Angle sum property of a triangle that sum all three interior angle in a triangle is 180^{0}.

i.e., ∠1+∠2+∠3= 180^{0}.

So, 50° +80°+ ∠3 = 180^{0}

                       ∠3 =  50°

As two angles of the triangle are equal that means it is a isosceles triangle.

There is no possibility of getting a right angles triangle.

Hence, there is only one triangle possible with these measurements .

Learn more about triangles here:

brainly.com/question/4987857

#SPJ1

3 0
3 years ago
What is the ratio of <br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B95%7D%7B100%7D%20" id="TexFormula1" title=" \frac{95}{10
anastassius [24]
The ratio of 95/100 would be 95 percent.
3 0
3 years ago
Read 2 more answers
Rosters Chicken advertises​ "lite" chicken with​ 30% fewer calories than standard chicken. When the process for​ "lite" chicken
ella [17]

Correct question is;

Rosters Chicken advertises "lite" chicken with 30% fewer calories than standard chicken. When the process for "lite" chicken breast production is in control, the average chicken breast contains 450 calories, and the standard deviation in caloric content of the chicken breast population is 20 calories. Rosters wants to design an X-chart to monitor the caloric content of chicken breasts, where 25 chicken breasts would be chosen at random to form each sample. a) What are the lower and upper control limits for this chart if these limits are chosen to be four standard deviations from the target? b) What are the limits with three standard deviations from the target? Upper Control Limit (UCL)calories (enter your response as an integer).

Answer:

A)UCL = 466

LCL = 434

B)UCL = 462

LCL = 438

Step-by-step explanation:

We are given;

Mean;μ = 450

Standard deviation; σ = 20

Sample size; n = 25

A) We are told that these limits are chosen to be four standard deviations from the target.. This means that z-value = 4.

Thus, upper control limit will be the formula;

UCL = μ + 4σ/√n

UCL = 450 + 4(20)/√25

UCL = 450 + 16

UCL = 466

Lower control limit will be;

LCL = μ - 4σ/√n

LCL = 450 - 4(20)/√25

LCL = 450 - 16

LCL = 434

B) We are now told that these limits are chosen to be three standard deviations from the target.

Thus, z = 3

So;

UCL = μ + 3σ/√n

UCL = 450 + 3(20)/√25

UCL = 450 + 12

UCL = 462

Lower control limit will be;

LCL = μ - 3σ/√n

LCL = 450 - 3(20)/√25

LCL = 450 - 12

LCL = 438

8 0
4 years ago
What is the product of 7/10 × 3/6
kogti [31]

The product of 7/12 x 3/6 is \frac{7}{24}!

I hope I helped you!

8 0
3 years ago
Complete the square to factor X^2 +10X=-8
ella [17]

Answer: x=\sqrt{17}-5 and x = -\sqrt{17}-5

Step-by-step explanation:

Alright, lets get started.

The given equation is :

x^{2} +10x = -8

Adding 8 in both sides, it will become

x^{2} +10x + 8 = -8 +8

x^{2} +10x + 8 = 0

To make it perfect square, we need to add 25 and subtract 25

x^{2} +10x + 8 +25-25= 0

x^2+10x+25+8-25=0

(x+5)^2+8-25=0

(x+5)^2-17=0

Adding 17 in both sides  

(x+5)^2=17  

taking square root

x+5=\sqrt{17}

So,

x=\sqrt{17}-5 and x = -\sqrt{17}-5  .. Answer

Hope it will help :)

7 0
3 years ago
Read 2 more answers
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