allikat101604 allikat101604

03-01-2021
Mathematics

contestada

Solve the system of equations algebraically.
GOF
4x + 5y = 15
- 4x + by = 7
a. (5/4, 2)
B. (2, 5/4)
C. (4/5, 2)
D. (2, 4/5)

Respuesta :

mekaiferguson mekaiferguson

03-01-2021

A should be the right answer because 4*5/4=5 + 5*2=10 and 5+10=15.

Answer Link

Otras preguntas

Estimate the angle of elevation from the trailhead to the summit.

given: quadrilateral ABCD with ∠A= ∠C and BD the bisector ∠ABC prove: DB bisects ∠ADC

A midwestern music competition awarded 35 ribbons. The number of blue ribbons awarded was 3 less than the number of white ribbons. the number of red ribbons was

Place the mouse, fruit ﬂy, duck, and gorilla in order of their relatedness to humans, from least related to most related. a. mouse - fruit ﬂy - duck - gorilla b

given: quadrilateral ABCD with ∠A= ∠C and BD the bisector ∠ABC prove: DB bisects ∠ADC

If y^8= 4 and y^7=3/x, what is the value of y in terms of x?

how do you figure out what is 1/4 of 10.

Most autotrophs make “food” through the process of a. photosynthesis. b. homeostasis c. chemosynthesis d. cellular respiration

An object of mass 2 kg has a linear momentum of magnitude 6 kg • m/s. What is this object’s kinetic energy?

the rectangles on a quilt are 2in. wide and 3in. long the perimeter of each rectangle is made by pattern of ref thread. if there are 30 rectangles in the quilt,