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nlexa [21]
3 years ago
5

Help this is so difficult.

Mathematics
2 answers:
maksim [4K]3 years ago
5 0
The answer to that is -7
crimeas [40]3 years ago
3 0

Answer: hey margaret. the answer is Three-fourths was subtracted from a number, and then 5  was added to the result. The sum was -7.

Step-by-step explanation:

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Point Q is on line segment PR. Given QR = 3x, PQ = x + 6, and
nadya68 [22]

Given:

Point Q is on line segment PR.

QR = 3x, PQ = x + 6, and  PR = 5x – 4.

To find:

The numerical length of PQ.

Solution:

Since, point Q is on line segment PR, so by segment addition property, we get

PR=PQ+QR

5x-4=(x+6)+3x

5x-4=4x+6

5x-4x=4+6

x=10

The value of x is 10.

Now,

PQ=x+6

Putting x=10, we get

PQ=10+6

PQ=16

Therefore, the numerical length of PQ is 16 units.

7 0
3 years ago
3. Draw a graph that represents these equations: y=-x-1 47-42 = -2 7 = -23 + 1 -5x = 10y - 10​
NISA [10]

Answer:

do you know stray kids and bts

Step-by-step explanation:

5 0
3 years ago
A room covers 299.6 square feet. A painter paints the room in three days. The first day he covers 2/7 of the area. The next day
Trava [24]

Answer:

<em>On day the he covers </em>128.4 ft²

<u>Step-by-step explanation</u>:

Lets first figure out how much he has done so far

To figure out how much he does we can use a proportion

Set up a proportion for first day

2/7 = x/299.6

Solve the proportion

2×299.6÷7 = 599.2/7 = x

x = 85.6

<em>He covered 85.6 sq/ft on day 1</em>

Find day two

85.6 * 2 = 171.2

Find how much is left to do on day 3

299.6-171.2 = 128.4 ft²

4 0
3 years ago
Read 2 more answers
Evaluate the expression 4!
kow [346]

Answer:

24

Step-by-step explanation:

Using the definition of factorial

n! = n(n - 1)(n - 2) ....... × 3 × 2 × 1, hence

4! = 4 × 3 × 2 × 1 = 24

5 0
4 years ago
Read 2 more answers
Use slope-intercept form to write the equation of a line that has a slope of −3 and passes through the point (1, −5).
Hatshy [7]

Answer:

y = - 3x - 2

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = - 3, thus

y = - 3x + c ← is the partial equation

To find c substitute (1, - 5) into the partial equation

- 5 = - 3 + c ⇒ c = - 5 + 3 = - 2

y = - 3x - 2 ← equation of line

7 0
3 years ago
Read 2 more answers
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