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Goshia [24]
2 years ago
8

The sum of 4 times a number and 7 more than the number is 80

Mathematics
1 answer:
marusya05 [52]2 years ago
4 0

Answer:

(4×x) 7> 80  :)

Step-by-step explanation:

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One of the slowest fish is the blenny
Gwar [14]

Answer:

It swims 1.75 miles in 3.5 hours. X stands for hours so x=3.5. Y stands for miles so y=1.75.

Step-by-step explanation:

your equation is y=0.5x

we know x=3.5

so y= 0.5(3.5)

solve and you get y= 1.75

so in (x,y) intercept format (3.5,1.75) and you can make a graph and label your x intercepts hours and your y intercepts miles traveled.

4 0
2 years ago
Compute the magnitude and direction of the sum of the two vectors: 170N of force at 87° and 100N of force at 46°.
krok68 [10]

Answer:

F = 254.08N Θ = 72.03°

Step-by-step explanation:

First of all we find the resolution in both x and y axis

∑Fx = 170cos87 + 100cos46 = 78.36N

∑Fy = 170sin87 + 100sin46 = 241.70N

To find the resultant vector we use pythagorean theorem

F = √(∑Fx)² + ∑(Fy)²

F = √(78.36² + 241.70²)

F = √(64559.1796)

F = 254.08N

the angle between both force can be obtained using

tanθ = ∑Fy / ∑Fx

tanθ = 241.70 / 78.36

tanθ = 3.084

Θ = tan⁻ 3.084

Θ = 72.03°

5 0
3 years ago
Set 4x equal to x+30 and solve.
prisoha [69]

Answer:

x = 10

Step-by-step explanation:

1) Subtract x from both sides.

4x − x = 30

2) Simplify 4−x to 3x

3x = 30

3) Divide both sides by 3

x = \frac{30}{3}

4) Simplify \frac{30}{3} to 10

x = 10

7 0
3 years ago
Max is reading a book. He has already read 1/4 of the book. If he stopped at the top of page 67, how many pages are there in the
dedylja [7]

Let p represent # of pages in the book.


Then (1/4)p = 67. Solve for p by mult. both sides of this equation by 4:


p = 268 (pages)

4 0
3 years ago
Read 2 more answers
A vendor at the State Fair has learned that, by pricing his deep fried bananas on a stick at $1.00, sales will reach 82 bananas
Tasya [4]

Answer:

Y=-40x+122

Step-by-step explanation:

hello

Due to the nature of the data, it is most convenient to model this problem as a linear function.

To solve this problem we must use the equation that defines a line, then start assigning the corresponding values

y1=82bananas per day

X1=1 dolar

y2=52bananas per day

x2=1.75dolar

line ecuation

y − y 1 = m(x − x 1 )

where

m=slope=\frac{y2-y1}{x2-x1} =\frac{52-82}{1.75-1}=-40

solving:

Y-82=-40(x-1)

Y=-40x+40+82

Y=-40x+122

let's try the result!

Price =1dolar

Y=-40(1)+122=82bananas per day

Price=1.75dolar

Y=-40(1.75)+122=52bananas per day

7 0
3 years ago
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