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leonid [27]
3 years ago
8

The length of a photograph is 1 less than twice the width. The area is 45 cm squared. Find the dimensions of the photograph.

Mathematics
2 answers:
kkurt [141]3 years ago
7 0

the lenght is 9 and the width is 5 so 9 by 5

Hitman42 [59]3 years ago
4 0
Idk need help as well
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sry my mistake wrong quesrion

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3 years ago
You deposit $700 in an account paying 7.7% simple interest. Find the future value of the investment after 2 years. (Enter a numb
Luda [366]

Answer: The future value of the investment after 2 years is $807.8

Step-by-step explanation:

The formula for simple interest is expressed as

I = PRT/100

Where

P represents the principal or amount invested.

R represents interest rate

T represents time in years

I = interest after t years

From the information given

T = 2 years

P = $700

R = 7.7%

Therefore

I = (700 × 7.7 × 2)/100

I = 10780/100

I = 107.8

The total amount in the account after 2 years would be

700 + 107.8 = $807.8

5 0
3 years ago
Juice is made up by diluting concentrate with water in the ratio 1:5. If 200ml of concentrate is used ,how much juice will be ma
natta225 [31]

Answer: 1,200 ml

Step-by-step explanation:

The ratio is 1 : 5.

If 200 ml of concentrate is used, the water used will be:

1     :    5

200 :   x

x = 1,000 ml of water

The amount of juice would be:

= water + concentrate

= 1,000 + 200

= 1,200 ml

5 0
3 years ago
Given the figure below, find the values of x and z.
N76 [4]

Answer:

x=9

z=73

Step-by-step explanation:

Angle 107 and 8x+35 are vertical angles, so they are equal

107 = 8x+35

Subtract 35 from each side

107-35 = 8x+35

72 = 8x

Divide by 8

72/8 = 8x/8

9 =x

We also know that 107 and z are supplementary angles since they form a straight line.  This means they add to 180 degrees

107+z = 180

Subtract 107 from each side

107-107+z=180-107

z =73

5 0
3 years ago
The denominator of a fraction is two more than the numerator. If both numerator and denominator are decreased by six, the simpli
ira [324]

Answer:

\dfrac{40}{42}

Step-by-step explanation:

Let the numerator of the fraction=x

Since the denominator of a fraction is two more than the numerator.

Denominator=x+2

The fraction is therefore:

\dfrac{x}{x+2}

If both numerator and denominator are decreased by six, the fraction becomes:

\dfrac{x-6}{x+2-6}

The simplified result is \dfrac{17}{18}

Therefore:

\dfrac{x-6}{x+2-6}=\dfrac{17}{18}\\$Next, we solve for x\\Cross multiply\\18(x-6)=17(x+2-6)\\18(x-6)=17(x-4)\\Expand the bracket\\18x-108=17x-68\\Collect like terms\\18x-17x=-68+108\\x=40

Substituting x=40 into the initial fraction

\dfrac{x}{x+2}=\dfrac{40}{40+2}=\dfrac{40}{42}

Therefore, the original fraction is \dfrac{40}{42}

4 0
3 years ago
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