Please help on 19 this needs to be finished tonight and I’m desperate I need help really bad my mom doesn’t understand this and my dad knows how to do it but can’t explain it and I don’t have any older siblings so I’m on my own when it comes to math please help me please

Answer:

d. 1 21/64 inches

Step-by-step explanation:

Add the lengths of the two punches.

4 1/64 + 4 3/32 = 4 1/64 + 4 6/64 = 8 7/64

Subtract the sum from the length of the bar stock.

9 7/16 - 8 7/64 = 9 28/64 - 8 7/64 = 1 21/64

Answer: d. 1 21/64 inches

The 1 15/64  inches of stock are wasted (option c).

To find out how much stock is wasted, we need to subtract the sum of the lengths of the two punches from the original length of the steel bar.

Original length of the steel bar = 9 7/16 inches

Length of the first punch = 4 1/64 inches = 4 + 1/64 inches

Length of the second punch = 4 3/32 inches = 4 + 3/32 inches

Total length of the two punches = (4 + 1/64) + (4 + 3/32) inches

Now, add the lengths of the two punches:

Total length of punches = 8 + 1/64 + 3/32 inches

Convert the fractions to a common denominator (64):

Total length of punches = 8 + 1/64 + 6/64 inches

Total length of punches = 8 + 7/64 inches

Now, subtract the total length of punches from the original length of the steel bar:

Wasted stock = 9 7/16 - (8 + 7/64) inches

Convert 9 7/16 to an improper fraction:

Original length of the steel bar = 9 * 16/16 + 7/16 = 151/16

Now, subtract the total length of punches:

Wasted stock = 151/16 - (8 * 16/16 + 7/64)

Wasted stock = 151/16 - (128/16 + 7/64)

Wasted stock = 151/16 - 130/16 - 7/64

Wasted stock = 21/16 - 7/64

Wasted stock = (21 * 4)/(16 * 4) - 7/64

Wasted stock = 84/64 - 7/64

Wasted stock = 77/64 inches

Now, let's simplify 77/64:

77/64 = 64/64 + 13/64 = 1 + 15/64 inches

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Answer:

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Answer:Quotient =3x^2 +8x +4

Remainder=16

Step-by-step explanation:

Answer:

1/2 or 0.5

Step-by-step explanation

1/2 of 10 = 5

We can write 1/2 as a decimal.

Do you need a decimal or fraction as the answer?

Still stuck? Get 1-on-1 help from an expert tutor now.

Answer:

= f(x) = x²+16

is correct.

Step-by-step explanation:

[tex] \dashrightarrow f( \rm x) = (x - 4)(x - 4)[/tex]

[tex] \\ \\ [/tex]

[tex] \dashrightarrow f( \rm x) = \: {x}^{2} - 4x - 4x + 16[/tex]

[tex] \\ \\ [/tex]

[tex] \dashrightarrow f( \rm x) = \: {x}^{2} - 8x + 16[/tex]

The statement 3.1 less a number is 17.6=3.1-n=1.76

Answer:

Helps you in comprehending the methodology to solve sum of first terms of an arithmetic progression

Makes you memorise the important formulas and methodologies

Assists you in scoring all the questions on arithmetic progression accurately

Step-by-step explanation:

Answer:

q = -1 and p = 3

Step-by-step explanation:

make q the subject of the formula

q = 2p - 7

Let use the other equation to manipulate data

3p + 2q = 7

:3p + 2 (2p - 7) = 7

:3p + 4p - 14 = 7

:3p + 4p = 7 + 14

:7p = 21

7. 7

like terms cancel each other

thus

p = 3

we the first equation to find the value of q

q = 2p - 7

since we have find p as 3, let's substitute

q = 2 (3) - 7

q = 6 - 7

q = -1

Step-by-step explanation:

that a picture of what you need. Go through it and get back to me.

Answer:

B

Step-by-step explanation:

We will divide 18 by 3 and 30 by 5, and if the results are the same, then this relationship is proportional.

18/3 = 6

30/5 = 6

The two answers are the same, so this relationship is proportional.

Answer:

7

Step-by-step explanation:

1.5 x 1.5 = 2.25

2.25 x 3.14 = 7.065

[tex]Area \: = \pi {r}^{2} = 3.14 \times {1.5cm}^{2} \\ = 7.065 \: \: {cm}^{2} [/tex]

= 7 cm^2

It should be noted that the area of the rectangle given will be 918 inches².

From the information given, it was stated that a rectangular poster is 17 inches by 54 inches long.

The area of the rectangle will be:

Area = Length × Width

Area = 17 × 54

Area = 918 inches²

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Answer:

$46.27¢

Step-by-step explanation:

Good thing I was a teacher

Answer:

The ratio of cats to dogs is 2:1 The ratio of dogs to cats is 1:2 or half as many dogs as cats. There are six cats and three dogs.

Step-by-step explanation:

one and two

Answer:

mz4=

V57

degrees

m5=

V 123

degrees

m26=

35

degrees

Answer: The answer should bemz 4=

V57

degrees

m5=

V 123

degrees

m26=

35

degrees

Step-by-step explanation:

Answer:

its 135

Step-by-step explanation:

Answer:

623 mm²

Step-by-step explanation:

I am going to split this shape into a 15mm x 19mm rectangle and a 26mm x 13mm rectangle. (the 19mm comes from 32mm at the bottom minus 13mm at the top to find how long the first rectangle is)

Rectangle 1: 15mm • 19mm = 285mm²

Rectangle 2: 26mm • 13mm = 338mm²

Total Area: 285mm² + 338mm² = 623mm²

Answer:

536

try learning on cymath jc

Solution:

Make the denominators equivalent and solve.

Hoped this helped!

To identify which triangles are congruent measure the angles and sides of each of the triangles and compare them.

In mathematics, the word congruent is used if two figures have the same size and shape, although their orientation can be different.

In the case of triangles two factors should be considered:

This means that to determine if the triangles are congruent, you must measure each side and angle and make sure these are the same in each triangle.

Learn more about triangles in: https://brainly.com/question/25813512

20

I'm sorry but I rea

Step-by-step explanation:

65 *x =1300

1300÷65= x

X=20

Answer:

I wish you help you more but I can only go this far.

Step-by-step explanation:

question 1:

1,300÷65=20

salesman A has to make 20 sales to reach his maximum sales for the week.

question 2:

1. x÷2+4 = -1

x= -10.

-10÷2 = -5

-5 +4= -1

2. x+3÷5=-2

x= (5×-2)+3

x= -13

3. nil

4. x-5×2=14

x=-2

5. x × 4 - 5 = -8

(please calculate it)

I hope I helped a little.

The above pic is your answer mate.

From the coordinate points, we can see that the data point that differs significantly is (−4,−8)

An outlier in statistics is a data point that differs significantly from other observations in the given data

This may be due to variability in the measurement or it may indicate an experimental error.

From the coordinate points, we can see that the data point that differs significantly is (−4,−8). This gives the possible outlier of the given coordinate

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Answer:

It's would be -4,-8 Have a great day

Answer:

  (a)  -8

  (b)  6x +4 +3h

Step-by-step explanation:

Sometimes, it works well to find the general solution first, then use that to solve the specific problem. That's what we'll do here.

The average rate of change on the interval [x, x+h] is defined as ...

  m = (f(x+h) -f(x))/h

For the given f(x), this is ...

  [tex]m=\dfrac{((3(x+h)^2+4(x+h)-4)-(3x^2+4x-4)}{h}\\\\m=\dfrac{3x^2 +6xh+3h^2+4x+4h-4-3x^2-4x+4}{h}\\\\m=\dfrac{6xh+3h^2+4h}{h}\\\\\boxed{m=6x+4+3h}\qquad\text{average rate of change on $[x,x+h]$}[/tex]

__

Using the above result for the interval [-4. 0], we have x=-4 and h=4. The average rate of change on that interval is ...

  m = 6(-4) +4 +3(4) = -24 +4 +12 = -8

The average rate of change on [-4, 0] is -8.

_____

Additional comment

In the above, we worked the generic problem first. That way, we only needed to expand f(x+h)-f(x) once. If you're not terribly comfortable with doing algebra on literal expressions, sometimes it is more comfortable to work the numerical problem--as this question would have you do. This lets you get an idea of the kinds of operations that are involved and the way terms combine.

We note that the average rate of change is the instantaneous rate of change (derivative of the function) at the midpoint of the interval. That derivative is the value of m when h=0: 6x+4. The midpoint of the interval [-4,0] is x=-2, and the derivative there is 6(-2)+4 = -8, as above.

Inequality is the comparison of mathematical expressions which are not strictly equal. The needed inequality is: 18.45 ≥ 3 + h

You can represent the unknown amounts by the use of variables. Follow whatever the description is and convert it one by one mathematically. For example if it is asked to increase some item by 4 , then you can add 4 in that item to increase it by 4. If something is for example, doubled, then you can multiply that thing by 2 and so on methods can be used to convert description to mathematical expressions.

For the given case, we've got:

Amount spent by Leticia = $18.45

Amount spent by Humberto = h dollars

Since amount spent by Leticia is at least $3. 00 more than what  Humberto spends, thus:

18.45 is at least h + 3 (all in dollars)

(we usually skip stuffs like currency sign or units in equations or inequalities, to keep things as minimized as possible. It is known from the context what unit or currency or such thing is being discussed).

At least can be thought of as equal to that quantity or greater than that quantity but not less than that quantity.

This more than or equal to is written as ≥

Thus, the inequality we get is:

18.45 ≥ 3 + h

Learn more about inequalities here:

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Answer: c

Step-by-step explanation:

Answer:

the answeer is d i got it right

Step-by-step explanation:

no need it d

- 8/xy

Answer:

[tex] \frac{64xy}{ - 8 {x}^{2} {y}^{2} } \\ ✓determine \: the \: sign \\ - \frac{64xy}{8 {x}^{2} {y}^{2}} \\ ✓cross \: out \: the \: common \: factor \\ - \frac{8xy}{{x}^{2} {y}^{2}} \\ ✓cross \: out \: the \: common \: factor \: \\ - \frac{8y}{x {y}^{2} } \\ ✓cross \: ut \: the \: cmmon \: factor \\ - \frac{8}{xy} [/tex]