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3 years ago

If 3 bars of chocolate cost $15.00 ghana cedis how much will 7 bars cost ratio

Mathematics

1 answer:

Rudiy273 years ago

6 0

Answer:

7 chocolate bars will cost $35

Step-by-step explanation:

if 3 cost $15 then 1 bar would cost 5 dollars and 5x7=35

here is a ratio:

15 = 35

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Given the following system of equations: -4x+8=16, 2x+4y=32 what action was completed to create this new equivalent system of eq

castortr0y [4]

The equation (1) is divided by 2 to create new equivalent system of equations.

Step-by-step explanation:

The given systems of equations are:

$-4x+8y=16\,\,\,(1)\\2x+4y=32\,\,\,(2)$

Considering 8y instead of 8 in eq(1)

We need to identify what action was completed to create this new equivalent system of equations? $-2x+4y=8, 2x+4y=32$

Comparing given equations we came to know that equation(1) is divided by 2 to get the new equation i.e

$-4x+8y=16\\Divide\,\,by\,\,2:\\-2x+4y=8$

While second equation is same as given.

So, The equation (1) is divided by 2 to create new equivalent system of equations.

Keywords:System of Equation

Learn more about System of Equation at:

#learnwithBrainly

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3 years ago

Find the measure of

sergij07 [2.7K]

Answer:

∠ ABC ≈ 137.9°

Step-by-step explanation:

Using the Cosine rule in Δ ABC

cos B = $\frac{a^2+c^2-b^2}{2ac}$

with a = 89, b = 144, c = 65

cos B = $\frac{89^2+65^2-144^2}{2(89)(65)}$ = $\frac{7921+4225-20736}{11570}$ = $\frac{-8590}{11570}$ , thus

B = $cos^{-1}$ ( - $\frac{8590}{11570}$ ) ≈ 137.9° ( to the nearest tenth )

4 0

3 years ago

A bottle contains 2 quarts of cooking oil. A chef uses 1/12 quart of cooking oil each day. How many days will the bottle of cook

klio [65]

It would last 24 days

7 0

3 years ago

Please help 10 points

WARRIOR [948]

Answer:

FG = 15

Step-by-step explanation:

Note that

EF + FG = EG ← substitute values into equation, that is

6 + FG = 21 ( subtract 6 from both sides )

FG = 21 - 6 = 15

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3 years ago

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Andy's Rental Car charged an initial fee if $20 plus an additional $30 per day to rent a car. Buddy's Rental Car charges an init

steposvetlana [31]

Andy's rental car 20+30n
Buddy's rental car 36+28n
20+30n=36+28n
2n=16
n=8
cost for 8 days is 20+30*8=260
Cost will be the same for both companies for 8 days. Cost is $260

4 0

3 years ago

Read 2 more answers