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3 years ago

Help me please I'm stuck

Mathematics

2 answers:

Licemer1 [7]3 years ago

8 0

Answer:

I think its C

Step-by-step explanation:

BabaBlast [244]3 years ago

3 0

B. Looks like the correct answer, tell me if I’m right

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PLEASE HELP a three dight number has one more ten than it has hundreds, and it also has one more than twice as many units as ten

bija089 [108]

The reverse number of the three-digit number is 732

<h3>How to determine the reverse of the number?</h3>

Let the three-digit number be xyz.

So, the reverse is zyx

This means that

Number = 100x + 10y + z

Reverse = 100z + 10y + x

From the question, we have the following parameters:

y = x + 1

z = 1 + 2y

The sum is represented as:

100x + 10y + z + 100z + 10y + x = 10^3 - 31

100x + 10y + z + 100z + 10y + x = 969

Evaluate the like terms

101x + 101z + 20y = 969

Substitute y = x + 1

101x + 101z + 20(x + 1) = 969

101x + 101z + 20x + 20 = 969

Evaluate the like terms

101x + 101z + 20x = 949

121x + 101z = 949

Substitute y = x + 1 in z = 1 + 2y

z = 1 + 2(x + 1)

This gives

z = 2x + 3

So, we have:

121x + 101z = 949

121x + 101* (2x + 3) = 949

This gives

121x + 202x + 303 = 949

Evaluate the sum

323x = 646

Divide by 323

x = 2

Substitute x = 2 in z = 2x + 3 and y = x + 1

z = 2*2 + 3 = 7

y = 2 + 1 = 3

So, we have

x = 2

y = 3

z = 7

Recall that

Reverse = 100z + 10y + x

This gives

Reverse = 100*7 + 10*3 + 2

Evaluate

Reverse = 732

Hence, the reverse number of the three-digit number is 732

Read more about digits at:

brainly.com/question/731916

#SPJ1

8 0

1 year ago

aPLEASE HELP!!!!!!! In ΔKLM, the measure of ∠M=90°, the measure of ∠K=41°, and MK = 38 feet. Find the length of LM to the neares

xz_007 [3.2K]

Answer:

33.0

Step-by-step explanation:

Using the pythagoras theorem

tan theta = opposite/adjacent

tan 41 = x/38

x = 38tan41

x = 38(0.8693)

x = 33.03

Hence the value of x to nearest tenth is 33.0

5 0

3 years ago

plz answer fast. Helena has saved $595 to put toward snowboarding equipment and lift tickets at the hill. Each lift ticket costs

Reil [10]

595 - 35t > 420
-35t > 420 - 595
-35t > -175
t < 5........so she can buy 4 tickets

4 0

4 years ago

Read 2 more answers

there are currently 2 teachers and 22 students signed up for a field trip. For every additional 10 students, the school will ass

tresset_1 [31]

Answer:

yes because both teachers and students amount rice at the same time they are proportional

Step-by-step explanation:

4 0

3 years ago

Find the area of the figure. Round to the nearest hundredth when necessary.

Delvig [45]

Answer:

215.20 ft^2

Step-by-step explanation:

The figure has 2 semi-circles.

First we find the area of each circle using the formula $\pi r^{2}$ because that is the area formula for a circle.

The semi-circle to the left gives the diameter which is 22 feet. The radius would be half the diameter thus r=11 for semi-circle one.

Then we are to find the diameter of the second semi-circle. Given the entire length to be 30 feet, 30-22 leaves us with 8 feet as its diameter thus r=4.

Left: r=11

Right: r=4

Then, plugging both into the formula for area of a circle, we get

Left: 380.1327

Right: 50.26548

We must divide each by two because we are only looking for semi-circle which is exactly half the area of a full circle.

Then,

Left: 190.066

Right: 25.1327

190.066+ 25.1327= 215.199 = 215.2ft^2

8 0

3 years ago

Help me please I'm stuck ​

Help me please I'm stuck