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3 years ago

The sum of triple a number and 5 is 40

Mathematics

1 answer:

Shalnov [3]3 years ago

6 0

Answer:

5 tripled is 15. so it would be 55 i think

Step-by-step explanation:

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Perfect Square Trinomials: 1. Give an example of a perfect square trinomial. 2. Explain why it is a perfect square trinomial. 3.

Ainat [17]

Answer:

1. $x^{2} -12x+36$ is a perfect square trinomial

Step-by-step explanation:

2. Perfect square trinomials are algebraic expressions with three terms that are created by multiplying a binomial to itself.

3. I will upload a picture showing my work

4 0

4 years ago

PLEASE HELP VERY URGENT!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

diamong [38]

Q1. Look at the picture.

$C.\\y=-\dfrac{1}{3}x+3\\\\y=2x-4$

Q2. Look at the picture.

$A.\ 4-t$

Q3.

Put the value of x = 2 to the equation 3x + y = 5:

$3(2)+y=5$

$6+y=5$ subtract 6 from both sides

$y=-1\\\\F.\ -1$

Q4.

$\left\{\begin{array}{ccc}n=3m-11&(*)\\2m+3n=0&(**)\end{array}\right$

Substitute (*) to (**):

$2m+3(3m-11)=0$ use distributive property

$2m+(3)(3m)+(3)(-11)=0$

$2m+9m-33=0$ add 33 to both sides

$11m=33$ divide both sides by 11

$m=3$

Put the value of m to (*):

$n=3(3)-11\\\\n=9-11\\\\n=-2$

$C. (3,\ -2)$

Q5.

w - width

3w - length

24 in - the sum of length and width

The equation:

$w+3w=24$

$4w=24$ divide both sides by 4

$w=6\ in$

$3w=3(6)=18\ in$

$J.\ 18\ inches$

7 0

3 years ago

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The scale of a map is 6 km = 4 mi. What is the length on the map if the actual is 40.1 miles.

beks73 [17]

Answer:

60.15 km

Step-by-step explanation:

If 6 km on the map represents 4 mi on land, then we'd get the answer by using the relation

6 km -> 4 mi

x km -> 40.1 mi

Where x km is the length on the map we're looking for. If we cross multiply

6 * 40.1 = 4x

240.6 = 4x

x = 240.6/4

x = 60.15 km.

That is the length we're looking for

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3 years ago

A dog has a 25 ft leash attached to a corner where a garage and fence meet. When the dog pulls the leash tight and walks from th

dalvyx [7]

Answer: $170^{\circ}$

Step-by-step explanation:

Given

The dog has a 25 ft leash

Arc length is 74.3 ft

Arc length is given by

$l=\dfrac{\theta }{360^{\circ}}\times 2\pi r$

here, r=25 ft

l=74.3 ft

Put the values

$\Rightarrow 74.3=\dfrac{\theta }{360^{\circ}}\times 2\pi \times 25\\\\\Rightarrow \theta =170.2^{\circ} \approx 170^{\circ}$

The measure of the angle is $170^{\circ}$

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3 years ago

At the IGA, a 5 lb bag of apples costs $5.85. What is the unit rate for the 5 lb bag?

Angelina_Jolie [31]

The unit rate for 5 lb bag is 1.75 lb

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3 years ago

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