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weeeeeb [17]
3 years ago
10

-4(5x-3)+15 what is the answer

Mathematics
2 answers:
Iteru [2.4K]3 years ago
7 0

Answer:

-20x +27

Step-by-step explanation:

m-a-t-h-w-a-y

xz_007 [3.2K]3 years ago
5 0

Answer:

-20x+27

Step-by-step explanation:

-4 times 5x = -20x

-3 rimes -4 = 12

12+15=27

-20x+27

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Translate the sentence into an inequality.
lord [1]

Answer:

2(W - 5) ≤ -29      

Step-by-step explanation:

"Twice the difference of a number and 5 is at most -29" can be expressed symbolically as follows:

2(W - 5) ≤ -29      

Further explanations:

"the difference of a number and 5" is W - 5, and thus "Twice the difference of a number and 5" is 2(W - 5).

"x ≤ -29" states "x is at most -29."

7 0
3 years ago
What’s the answer to this
Anni [7]

Answer:

The answer is A

Step-by-step explanation: y=-4x+3

6 0
3 years ago
Read 2 more answers
On Monday, Nalim made a journey.
xenn [34]

Answer:

Step-by-step explanation:

Let's put in some numbers to make this easier to understand.

Let's say she has to travel 20 km.

On Monday, she travels at 4 kph.  This takes 5 hours.

On Tuesday she travels 25% faster, at 5 kph.  This takes 4 hours.  

To figure percent reduction we take

100 % * (old - new) / old  

100 % * (5 hr - 4 hr ) / 5 hr

100 % * 1 hr / 5 hr

100 % * 0.20

20% reduction.

3 0
3 years ago
Tony is 21 years older than his sister Danielle. In 13 years he will be twice as old as Danielle. How old is each of them now?
Bess [88]

x-y=21 ⇒ x=y+21

x+13=2y

Substitute y+21 for x into the equation x+13=2y

So y+21+13=2y

Simplify 34=y

So Danielle is 34 years old. Plug y back in to the original equation

x-34=21

x=55

Tony is 55 years old


3 0
4 years ago
#4 I need help on. Thanks! (?)
Ksju [112]

To find the area you just find the area of each triangle.

To do this use the formula b×h×.5=A


6×4×.5=A

A=12

Now you just multiply 12 by 4. The reason you multiply by 4 is because you have 4 triangles that make up the rhombus. The area of the rhombus is 48cm²


8 0
4 years ago
Read 2 more answers
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