All categories

3 years ago

Can someone explain these questions to me, especially the last one please.

Mathematics

1 answer:

Firlakuza [10]3 years ago

4 0

Answer:

Step-by-step explanation:

A is 0.5 x 10 because the thickness of the sheets is 0.5 and there are ten sheets stacked together that thickness so how thick is the pile.

for B it is the answer of A plus one more sheet which is ( answer for A) + 0.5

for c just add another sheet on all sides wich is + 0.5 for each side and when you get that add that number to answer B and that it.

You might be interested in

Olivia made 14 outfits for her dolls. Each outfit used 3/5 of fabric. If she started with 10 3/4 yards of fabric, how much did s

Zepler [3.9K]

Answer:

0.1 yards of fabric

Step-by-step explanation:

Data provided in the question:

Number of outfits made for the doll = 14

Fabric used in each outfit = $\frac{3}{5}$ yards of fabric

Starting fabric available = 10 × $\frac{3}{4}$ or $\frac{30}{4}$ yards

Now,

The total fabric used in making the outfits of 14 dolls

= 14 × $\frac{3}{5}$ yards of fabric

= $\frac{42}{5}$ yards of fabric

Therefore,

The fabric left after making the outfits

= Fabric available in the start - Fabric used in making the outfits

= $\frac{30}{4}$ yards - $\frac{42}{5}$ yards

= $\frac{30\times5-42\times4}{4\times5}$ yards

= $\frac{150-168}{20}$ yards

= $\frac{2}{20}$ yards

= 0.1 yards of fabric

5 0

3 years ago

Which set of ratios could be used to determine if one triangle is a dilation of the other

Lisa [10]

Answer:

See explanation

$\frac{3.6}{3} = \frac{5.4}{4.5} = \frac{6}{5}$

Step-by-step explanation:

The two triangles are similar if the ratio of the corresponding sides are proportional.

The ratio of the corresponding sides are:

$\frac{3.6}{3} = 1.2$

$\frac{5.4}{4.5} = 1.2$

$\frac{6}{5} = 1.2$

The set of ratios which could be used to determine if one triangle is a dilation of the other is

$\frac{3.6}{3} = \frac{5.4}{4.5} = \frac{6}{5}$

If there are multiple correct options then check this one too.

$\frac{3}{3.6} = \frac{4.5}{5.4} = \frac{5}{6}$

3 0

2 years ago

Which point on the number line represents the product (-4%-2)(-1)? |--10 - - LG -4 4 71 10 D Point A K Point B Point CO Point D

goldfiish [28.3K]

Answeer that to hard for me to answer

Step-by-step explanation: sorry wish i could help

7 0

2 years ago

Read 2 more answers

Produce graphs of f that reveal all the important aspects of the curve. Then use calculus to find the following. (Enter your ans

zubka84 [21]

a) Intervals of increase is where the derivative is positive
b) Intervals of decrease is where the derivative is negative. 

c) Inflection points of the function are where the graph changes concavity that is the point where the second derivative is zero 

d)
Concave up- Second derivative positive 
Concave down- second derivative negative 

f(x) = 4x^4 − 32x^3 + 89x^2 − 95x + 31
f '(x) = 16x^3 - 96x^2 + 178x - 95 
f "(x) = 48x^2 - 192x + 178 

By rational root theorem the f '(x) has one rational root and factors to: 
f '(x) = (2x - 5)*(8x^2 - 28x + 19) 

Using the quadratic formula to find it's two irrational real roots. 
The f "(x) = 48x^2 - 192x + 178 only has irrational real roots, use quadratic formula which will be the inflection points as well.

4 0

3 years ago

Read 2 more answers

Solve the inequality 3x/2- 2 > 7

In-s [12.5K]

Answer:

<h3>NO SOLUTIONS</h3>

Step-by-step explanation:

To solve this problem, first, you have to isolate x on one side of the equation.

3x/2-2>7

3x/2-2-7>7-7 (First, subtract 7 from both sides.)

7-7 (Solve.)

7-7=0

3x/2-2-7>0

3x/2-2*0-7*0>0*0 (Then, multiply 0 from both sides.)

0*0 (Solve & simplify.)

0*0=0 (undefined & no solutions)

In conclusion, there are no solutions.

4 0

2 years ago

Read 2 more answers

Can someone explain these questions to me, especially the last one please.​

Can someone explain these questions to me, especially the last one please.