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2 years ago

ANSWER ASAP FOR BRAINLIEST

Mathematics

2 answers:

Varvara68 [4.7K]2 years ago

5 0

Answer:

the answer is 210 quarters and 215 dimes

Step-by-step explanation:

77julia77 [94]2 years ago

4 0

0.35x=73.85, comgining moving terms

divide both sides by 0.35

x=211 quarters, which is $52.75 ANSWER

x+5=216 dimes, which is $21.60 ANSWER

That total is $74.35

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Jeremy bought a new truck for $32,000. The value of the truck after t years can be represented by the formula V = 32,000(.8)t. W

maksim [4K]

6700=32000 (0.8)^t
Solve for t
t=log(6,700÷32,000)÷log(0.8)
t=7 years

8 0

4 years ago

Find a.b. IaI =3, IbI = 5 the angle between a and b is 2π/3

oksano4ka [1.4K]

Answer: $a\cdot b= -7.5$

Step-by-step explanation:

Formula : If a and b be any two vector , then the dot product of and b is given by $a\cdot b= |a||b|\cos {\theta}$ , where $\theta$ is the angle between them.

As per given , we have

IaI =3, IbI = 5 $\theta =\dfrac{2\pi}{3}$

Then, $a\cdot b= (3)(5)\cos \dfrac{2\pi}{3}$

$a\cdot b= (15)\cos ( \pi-\dfrac{\pi}{3})$

$a\cdot b= (15)(-\cos \dfrac{\pi}{3})$ (∵ cos (π-x)=-cos x)

$a\cdot b= (15)(-\dfrac{1}{2})$ [∵ $\cos \dfrac{\pi}{3}=\dfrac{1}{2}$ ]

$a\cdot b= -7.5$

Therefore , $a\cdot b= -7.5$

8 0

3 years ago

Which is a correct verbal expression for

Oxana [17]

It should be the product of 8 and n

3 0

3 years ago

In the morning, Christopher puts out

melamori03 [73]

Answer:

Step-by-step explanation:

The question didn’t display properly. I’m guessing he puts out 7⅗ pounds in the morning and 6⅘ pounds in the evening.

7⅗ + 6⅘ = 38/5 + 34/5 = 72/5 = 14⅖ pounds

8 0

3 years ago

It was time for the Fourth of July parade. Marty was helping to put helium in the balloons. When he was finished he had inflated

Julli [10]

The balloons of each color that Marty inflated are:

Marty
inflate
red 271
ballons
Marty
inflate
red 380
ballons

This is further explained below.

<h3>How many balloons of each color did Marty inflate?</h3>

Generally, the equation for the statement is mathematically given as

w= r+225

w - 225 = r

Therefore

w - 116 = b

Where

r + w + b = 1147

(w - 225 )+w +( w - 116)=1147

3w = 1147 + 341

w = 496

In conclusion, For Red

w - 225 = r

496 - 225 = r

r=271

Marty inflate red 271 ballons

For blue

w - 116 = b

496 - 116 =380

b=380

Marty inflate red 380 ballons