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qaws [65]
3 years ago
14

A rectangle has length(4x+5) and breadth 3x.Find the area of the rectangle.​

Mathematics
1 answer:
Gemiola [76]3 years ago
5 0

Answer:

Length = 4x+5

Breadth = 3x

Area = l × b

= (4x+5) × 3x

= 12 x² + 15 x

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What is the answer for this Evaluate 3|-3|.
zhenek [66]

Answer: 9

Concept:

Here, we need to know the idea of absolute value.

The<u> absolute value</u> of a number or integer is the actual distance of the integer from zero, in a number line.

There are <u>no negatives </u>in absolute value. So in practice "absolute value" means to remove any negative sign in front of a number, and to think of all numbers as positive.

Solve:

<u>Given</u>

3 |-3|

<u>Expand absolute value sign, which means making [-3] positive</u>

= 3 × (3)

<u>Simplify by multiplication</u>

= \boxed{9}

Hope this helps!! :)

Please let me know if you have any questions

4 0
3 years ago
Read 2 more answers
Complete the pairs of corresponding parts if △ABD ≅ △EFC.
vovangra [49]

Answer:

We conclude that:

∠A = ∠ FEC

Step-by-step explanation:

Given

△ABD ≅ △EFC

To determine:

∠A =

As

△ABD ≅ △EFC

So the triangles △ABD and △EFC are congruent to each other.

  • We know that congruent triangles have equal corresponding parts.

Please check the attached graph.

From the graph, it is clear that ∠A is correspondent to ∠E.

∠A = ∠E

From the attached figure, it is clear that:

∠F can also be denoted by ∠ FEC

as

∠A = ∠E

so

∠A = ∠ FEC

Therefore, we conclude that:

∠A = ∠ FEC

6 0
2 years ago
FIND THE AREA AND PERIMETER PLEASE ​
baherus [9]

Answer:

Area = 70    Perimeter = 50

Step-by-step explanation:

I will begin with area.  I can find the area of each figure, then add the areas.

3 • 18 = 54

4 • 4 = 16

Area = 70

For perimeter, I will add the given lengths.

3 + 18 + 7 + 4 + 4 + 14

Perimeter = 50

8 0
3 years ago
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Write the ratio as a fraction in simplest form, with whole numbers in the numerator and denominator.
Effectus [21]

Answer:

2 : 5

Step-by-step explanation:

6 0
3 years ago
A truck driver is driving from Nome, Alaska to Death Valley, California. Because he is traveling between locations with extreme
Andrews [41]

The inequality to represent the temperatures at which the gas in the truck will remain in liquid form is -40 < x < 140

<h3>Part A: The inequality</h3>

Let the temperature of the gas be represented with x.

When the temperature hits −40° F (or below), the gas freezes.

This means that the gas temperature must always exceed −40° F to remain being a liquid

i.e x > −40

Also, when the temperature hits 140° F (or above), the gas evaporates.

This means that the gas temperature must always be less than 140° F to remain being a liquid

i.e x < 140

So, we have:

x > −40 and x < 140

Rewrite as:

-40 < x and x < 140

Combine both inequalities

-40 < x < 140

Hence, the inequality to represent the temperatures at which the gas in the truck will remain in liquid form is -40 < x < 140

<h3>Part B: The description of the graph</h3>

In (a), we have:

-40 < x < 140

The end points of the inequalities use a less than sign.

Less than signs are represented by open circle.

Hence, the graph would use an open circle, and intervals between -40 and 140 would be shaded

<h3>Part C: Would −49° F gas remained in liquid form?</h3>

We have:

-40 < x < 140

The number -49 is not in the range -40 < x < 140

Hence, the gas would not remain in liquid form (in fact, it would freeze because it is less than -40)

Read more about inequalities at:

brainly.com/question/24372553

#SPJ1

8 0
2 years ago
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