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IrinaK [193]
3 years ago
6

Please help!! I don't understand what to do or how to get the answers

Mathematics
2 answers:
Stels [109]3 years ago
8 0

Answer:

can you give us more info maybe we can answer it then....?

Step-by-step explanation:

lorasvet [3.4K]3 years ago
8 0
Yea we need more info-details
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A population of insects increases at a rate of 1.5% per day. About how long will it take the population to double?
Debora [2.8K]

Answer:

66.67 days

Step-by-step explanation:

8 0
3 years ago
Substitute <br><br> -3x-8y=4<br> -2x+7y=15
Nikolay [14]
-2x=15-7y
x=-7.5+3.5y

-3x-8y=4
-3(7.5+3.5y)-8y=4
-22.5-10.5y-8y=4
-22.5-18.5y=4
-18.5y=4+22.5
-18.5y=26.5
y=-53/35

the fraction might not be in lowest terms.
3 0
3 years ago
The top of a picnic table has a width represented by 2x in inches. It has an area represented by the expression 6x2 – 14x in squ
baherus [9]

Answer:

So length of top of table is 3x-7 inches.

Step-by-step explanation:

Here we are given that the top of the table has a width that is given by 2x inches.

The area of the top is given by:

Area=6x^{2}-14x

Now the top of the table is of the shape of rectangle and area of rectangle is given by:

A=l*w

where l is length of the table and w is width of the table.

Plugging the values of A and w in the formula we have:

6x^{2}-14x=l*2x

Dividing by 2x,

l=3x-7 inches

So length of top of table is 3x-7 inches.

8 0
3 years ago
Read 2 more answers
If slope is 3/5 and y = -2 what is it in slope intercept form
Art [367]

Answer:

Step-by-step explanation:

Slope m = 3/5 and

intercept at y = -2

And y = mx + c

y = 3/5x + (-2)

y = 3/5x - 2

Multiply each term by 5

5y = 3x - 10

8 0
2 years ago
Read 2 more answers
PLS ANSWER QUICKLY!!
olganol [36]

Answer:

EF=6

Step-by-step explanation:

E is the midpoint, so DE = EF

DE = 15-3x

EF = x+ 3

Since DE = EF,

15 - 3x = x + 3

-4x = -12

x = 3

If x = 3,

DE = 15 - 3*3,   15 - 9 = 6

EF = x+ 3, so EF = 3 + 3 = 6

6 0
2 years ago
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